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Muscle Actions, Origins, Insertions
how muscles work
448
Anatomy
Undergraduate 1
11/06/2011

Additional Anatomy Flashcards

 


 

Cards

Term

The Buccinator origin is

 

Definition
Alveolar processes of maxillary bone and mandible
Term
Insertion of Buccinator is
Definition
fibers of orbicularis oris
Term
The Buccinator 
Definition
compresses cheeks
Term
Origin of depressor labii inferioris
Definition

Mandible inbetween midline

and foramen

Term
Insertion of Depressor Labii Inferioris
Definition
Skin of lower lip
Term
The depressor labii inferioris
Definition
depresses the lower lip
Term
Origin of Levator Labii Superioris
Definition
Orbit Margion, superior to infra-orbital foramen
Term
Insertion of Levator Labii Superioris
Definition
Orbicularis oris
Term
The Levator Labii Superioris
Definition
elevates the upper lip
Term
Origin of Levator Anguli Oris
Definition
Maxillary bone, below infra-orbital foramen
Term
Insertion of Levator Anguli Oris
Definition
Corner of the Mouth
Term
The Levator Anguli Oris
Definition
elevates the corner of the mouth
Term
Origin of Mentalis
Definition
Incisive Fossa of Mendible
Term
Mentalis insertion
Definition
Skin of the chin
Term
The Mentalis
Definition
elevates and protudes the lower lip
Term
Origin of Orbicularis Oris
Definition
Maxillary Bone and Mandible
Term
Insertion of Orbicularis Oris
Definition
Lips
Term
The Orbicularis Oris
Definition
compresses and purses lips
Term
Origin of Risorius
Definition
Fascia around salivary gland
Term
Insertion of Risorius
Definition
Angle of Mouth
Term
The Risorius 
Definition
draws corner of mouth to the side
Term
Origin of depressor Anguli Oris
Definition
anterolateral surface of mandibular body
Term
Insertion of Depressor Anguli Oris 
Definition
skin at angle of the mouth
Term
The depressor Anguli Oris
Definition
depresses the corner of the mouth
Term
The Zygomaticus Major origin is
Definition
zygomatic bone near the suture
Term
Insertion of Zygomatic Major
Definition
angle of mouth
Term
The Zygomatic Major
Definition
retracts and elevates corner of the mouth
Term
Origin of Zygomatic Minor
Definition
Zygomatic bone behind the suture
Term
Insertion of Zygomatic Minor
Definition
Upper Lip
Term
The Zygomatic Minor
Definition
retracts and elevates upper lip
Term
Origin of Corrugator Supercilli
Definition
orbital rim of frontal bone, near nasal suture
Term
Insertion of Corrugator Supercilii
Definition
eyebrow
Term
The corrugator supercilii
Definition
wringles brow, pulls skin anteriorly and inferiorly
Term
Levator palpebrae superioris origin
Definition
t band around optic foramen
Term
insertion of levator palpebrae superloris
Definition
upper eyelid
Term
the levator palpebrae superioris
Definition
elevates the upper eyelid
Term
Origin of Orbicularis Oculi
Definition
medial orbit margin
Term
Insertion of Orbicularis Oculi
Definition
Skin around the eyelids
Term
The Orbicularis Oculi
Definition
closes the eye
Term
Origin of Procerus
Definition
nasal bones and lateral nasal cartilages
Term
Insertion of Proserus
Definition
skin of forehead and aponeurosis at bridge of the nose
Term
The Proserus
Definition
moves nose, changes position, and shape of nostrils
Term
Nasalis Origin
Definition
Maxillary Bone and alar nose cartilage
Term
Insertion  of Nasalis 
Definition
Bridge of Nose
Term
The Nasalis 
Definition
compresses bridge, depresses tip of nose and elevates corners of nostrils
Term
Origins of Occipitofrontalis 
Definition

Occipital, Temporal Bone

Epicranial Aponeurosis

Term
Insertions of Occipitofrontalis
Definition

Skin of Eyebrow/Bridge of Nose

Epicranial Aponeurosis

Term
Origin of Platysma
Definition
In between cartilage of second rib and acromion of scapula
Term
Platysma Insertion
Definition
Mandible/Skin of Cheek
Term
The Platysma 
Definition
tenses skin of neck and depresses the mandible
Term
origin of inferior rectus
Definition
sphenoid around optic canal
Term
insertion of inferior rectus
Definition
inferior/medial surface of eyeball
Term
the inferior rectus
Definition
makes the eye look down
Term
Origin of Medial Rectus
Definition
Sphenoid around Optic Canal
Term
Insertion of Medial Rectus
Definition
Medial surface of eyeball
Term
The Medial Rectus
Definition
makes the eye look medially
Term
Origin of Superior Rectus
Definition
Sphenoid around the Optic Canal
Term
Insertion of Superior Rectus
Definition
Superior Surface of Eyeball
Term
The Superior Rectus
Definition
makes the eye look up
Term
Origin of Lateral Rectus
Definition
Sphenoid around optic canal
Term
Insertion of Lateral Rectus
Definition
Lateral surface of eyeball
Term
The lateral rectus
Definition
makes the eye look laterally 
Term
Origin of Inferior Oblique
Definition
Maxillary Bone at anterior portion of orbit
Term
Insertion of Inferior Oblique
Definition
inferior and lateral surface of the eyeball
Term
The Inferior Oblique
Definition
makes the eye roll, look up and laterally
Term
Origin of Superior Oblique
Definition
sphenoid around the optic canal
Term
Insertion of Superior Oblique
Definition
superior and lateral surface of eyeball
Term
The superior oblique
Definition
makes the eye roll, look down and laterally
Term
Origin of Masseter
Definition
zygomatic arch
Term
Insertion of Masseter
Definition
Mandibular Ramus, lateral
Term
The Masseter
Definition
elevates mandible and closes jaw
Term
Origin of Temporalis
Definition
Temporal Lines of the Skull
Term
Insertion of Temporalis
Definition
Coronoid process of mandible
Term
The temporalis
Definition
elevates the mandible
Term
Origin of Pterygoids
Definition
Lateral Pterygoid plate
Term
Insertion of Pterygoid
Definition
medial surface of mandibular ramus
Term
The Pterygoids
Definition

elevates mandible, close jaw

opens jaw, protudes mandible

Term
Origin of Genioglossus
Definition
Medial surface of Mandible near Mental
Term
Insertion of Genioglossus
Definition
body of tongue and hyoid bone
Term
The Genioglossus
Definition
depresses and protracts tongue
Term
Origin of Hypoglossus
Definition
body/greater horn of hyoid bone
Term
Insertion of Hypoglossus
Definition
side of the tongue
Term
The Hypoglossus
Definition
depresses and retracts tongue
Term
Origin of Paletoglossus
Definition
Surface of soft palate
Term
Insertion of Palatoglossus
Definition
side of the tongue
Term
The Palatoglossus
Definition
elevates tongue and depresses soft palate
Term
Origin of Styloglossus
Definition
styloid process
Term
Insertion of Styloglossus
Definition
side of lip and base of tongue
Term
The styloglossus
Definition
retracts tongue and elevates side of tongue
Term
Origin of Pharyngeal constrictors 
Definition

pterygoid process of sphenoid, medial surfaces of mandible

horns of hyoid bone

cricoid and thyroid cartilages of larynx

Term
Insertion of Pharyngeal constrictors
Definition
median raphe, attached to occipital bone
Term
The Pharyngeal constrictors
Definition
constrict pharynx
Term
Origin of Laryngeal elevators
Definition
soft palate cartilage around auditory tube and styloid process
Term
Insertion of Laryngeal elevators
Definition
thyroid cartilage
Term
The laryngeal elevators
Definition
elevate larynx
Term
Origin of palatal muscles
Definition

temporal bone w/adj soft tissues

sphenoidal spine

Term
Insertion of Palatal Muscles 
Definition
soft palate
Term
The palatal muscles
Definition
elevate soft palate
Term
The origin of digastric
Definition
inferior surface of mandible and mastoid region
Term
Insertion of digrastic 
Definition
hyoid bone
Term
The digrastic
Definition
depresses mandible, elevates larynx
Term
Origin of Geniohyoid
Definition
medial surface of mandible
Term
Insertion of geniohyoid
Definition
hyoid bone
Term
the geniohyoid
Definition
depresses mandible, elevates larynx, and pulls hyoid bone anteriorly 
Term
origin of mylohyoid
Definition
mylohyoid line of mandible
Term
Insertion of Mylohyoid
Definition
Median raphe that runs to hyoid bone
Term
The mylohyoid
Definition
elevates hyoid bone or depresses mandible
Term
Origin of Omohyoid
Definition
superior border of scapula
Term
Insertion of Omohyoid
Definition
hyoid bone
Term
The omohyoid
Definition
depresses hyoid bone and larynx
Term
Origin of Sternohyoid
Definition
clavicle and manubrium
Term
Insertion of Sternohyoid
Definition
hyoid bone
Term
The sternohyoid
Definition
depresses hyoid bone and larynx
Term
Origin of Sternothyroid
Definition
manubrium and first costal cartilage
Term
insertion of sternothyroid
Definition
thryoid cartilage of larynx
Term
The Sternothyroid 
Definition
depresses hyoid bone and larnyx
Term
Origin of Stylohyoid
Definition
styloid process
Term
Insertion of Styloid Process
Definition
hyoid bone
Term
The Stylohyoid
Definition
elevates larnyx
Term
Origin of thryohyoid
Definition
thryoid cartilage of larynx
Term
Insertion of Thyrohyoid
Definition
hyoid bone
Term
The Thyrohyoid
Definition
elevates thyroid, depresses hyoid
Term
Origin of Sternocleidomastoid
Definition
one attached to sternal end of clavicle, one attached to manubrium
Term
insertion of sternocleidomastoid
Definition
mastoid region of skull
Term
The sternocleidomastoid
Definition
flexes neck, one alone bends toward shoulder and rotates neck
Term
Origin of Splenius
Definition
Processes and Ligaments connecting inferior cervical and superior thoracic vertebrae 
Term
Insertion of Splenius
Definition
mastoid process, occipital bone, and superior cervical vertebrae
Term
The Splenius
Definition

Extend Neck,

alone rotate and laterally flex neck

Term
Origin of spinalis cervicis
Definition
spinious process of C7
Term
Insertion of Spinalis Cervicis
Definition
spinalis process of axis
Term
The Spinalis cervicis 
Definition
extends neck
Term
Origin of Spinalis thoracis
Definition
spinious process of inferior thoracic and superior lumbar vertebrae
Term
Insertion of Spinalis Thoracis
Definition
Spinous process of superior thoracic vertebrae
Term
The spinalis thoracis
Definition
extends vertebral column
Term
Origin of Longissimus capitis
Definition
transverse process of inferior cervical and superior thoracic vertebrae
Term
Insertion of Longissimus Capitis
Definition
mastoid process of temporal bone
Term
The Longissimus capitis 
Definition

together extend head

alone rotate and laterally flex neck

Term
The Origin of Longissimus cervicis
Definition
transverse process of superior thoracic vertebrae
Term
insertion of longissimus cervicis
Definition
transverse process of middle and superior cervical vertebrae
Term
The Longissimus Cervicis
Definition

together extend head

alone flex and laterally rotate neck

Term
Origin of Longissimus thoracis
Definition
inferior thoracic and superior lumbar vertebrae, joins iliocostals
Term
Insertion of Longissimus Thoracis
Definition
t. processes of superior vertebrae/inferior surfaces of ribs
Term
the Longissimus thoracis
Definition
extends vertebral column, produce lateral flexation
Term
Origin of Iliocostalis Cervicis
Definition
superior borders of ribs near angles
Term
Insertion of Iliocostalis cervicis
Definition
upper ribs/t process of last cervical vertebra 
Term
The iliocostalis cervicis 
Definition

extends/laterally flex neck

elevate ribs

Term
Origin of Iliocostalis Thoracis 
Definition
superior borders of inferior seven ribs medial to angles
Term
Insertion of Iliocostalis Thoracis 
Definition
upper ribs.t processes of last cervical vertebra
Term
The iliocostalis thoracis
Definition
stablizes thoracic vertebrae in extension
Term
Origin of Iliocostals lumborum
Definition
iliac crest, sacrel crest, spinious processes
Term
Insertion of Iliocostalis lumborum
Definition
inferior surfaces of inferior seven ribs
Term
The iliocostalis lumborum
Definition
extends vertebral column, depresses rib
Term
Origin of Semispinalous Capitis
Definition
articular process of inferior cervical and t. process of superior thoracic vertebrae
Term
The semispinalious capitis insertion
Definition
occipital bone
Term
The Semispinalous Capitis
Definition

togerther extend head

alone extend and laterally flex neck

Term
Origin of Semispinalis cervicis
Definition
transverse process of T1-T6
Term
Insertion of Semispinalis cervicis 
Definition
spinious process of C2-C5
Term
The semispinalous cervicis
Definition

extends vertebral column

rotates toward opposite side

 

Term
Origin of Semispinalous Thoracis
Definition
transverse processes of T5-T10
Term

Insertion of Semispinalious 

Thoracis

Definition
spinious process C5-10
Term
The semispinalous thoracis
Definition
extend vert. column and rotates toward opposite side
Term
Origin of Multifidus
Definition
Sacrum, Transverse processes of vertebrae
Term
Insertion of Multifidus
Definition
spinious processes of third/fourth more superior vertebrae
Term
The Multifidus
Definition
extend vertebral column
Term
Origin of Longus Capitus
Definition
transverse process of cervical vertebrae 
Term
Insertion of Longus capitis
Definition
base of occipital bone
Term
The Longus Capitis
Definition

together flex neck

alone rotate head

Term
Origin Longus colli
Definition
a. surface of cervical and superior thoracic vertebrae
Term
Insertion of Longus Colli
Definition
transverse process of superior cervical vertebrae
Term
Longus Colli
Definition

flex/rotate neck

limits hyperextension

Term

Origin of Quadratus lumborum

 

Definition
iliac crest and iliolumbar ligament
Term
Insertion of quadratus lumbotum
Definition

last rib

t. process of lumbar vertebrae

Term
Quadratus Lumborum
Definition

together depress rib

alone laterally flex vertebral column

Term
Origin of Scalenes
Definition

transverse/costal processes of cervical vertebrae

 

Term
Insertion of Scalenes
Definition
s. surface of first two ribs
Term
The Scalenes
Definition

Elevate Ribs

Flex Neck

Term
Origin of external intercostals
Definition
inferior border of each rib
Term
insertion of external intercostals
Definition
superior border of more inferior rib
Term
the external intercostals
Definition
elevate ribs
Term
Origin of Internal intercostals
Definition
superior border of each rib
Term
Insertion of internal intercostals
Definition
inferior border of preceding rib
Term
The internal intercostals 
Definition
depress ribs
Term
Origin of Transversus thoracis
Definition
posterior surface of sternum
Term
Insertion of Transverse Thoracis
Definition
Cartilage of the Ribs
Term
The transversus thoracis 
Definition
depress ribs
Term
Origin of External Oblique
Definition
External and Inferior borders of ribs 5-12
Term
Insertion of External Oblique 
Definition
linea alba and iliac crest
Term
The External Oblique
Definition
Compress Abdomen, depress ribs, flexes/bend spine
Term
Origin of Internal Oblique
Definition
lumbodorsal fascia and iliac crest
Term
Insertion of Internal Oblique
Definition
inferior ribs, xiphoid process, and linea alba
Term
The Internal Oblique
Definition
compress abdomen, depress rib, flex/bend spine
Term
Origin of Transverse Abdominis 
Definition
Cartilage of ribs 6-12, iliac crest, lumbodorsal fascia
Term
Insertion of Transverse Abdominis
Definition
Linea Alba and pubis
Term
The Transverse Abdominis
Definition
compresses abdomen
Term
Origin in Diaphragm
Definition
Xiphoid process, rib cartilage 4-10, surface lumbar vertebrae 
Term
Insertion of Diaphragm
Definition

central tendinous sheet

 

Term
Diaphragm
Definition
contraction expends thoracic cavity, compresses adominal cavity
Term
Origin of Rectus Abdominis 
Definition
superior surface of pubis around symphysis 
Term
Insertion of Rectus Abdominis 
Definition
surfaces of costal cartilage ribs 5-7 and xiphoid process 
Term
Rectus Abdominis
Definition
depress rib, flex vertebral column, compresses abdomen 
Term
Origin of Buldospongiusus 
Definition
collage sheeth at base of penis or clitoris 
Term
Insertion of Bulbospongiosus 
Definition
central tendon of perineum
Term
Bulbospongiosus 
Definition

compress/stiffen clitoris/penis

ejects semen,narrow vaginal opening 

Term

origin of ischiocavernosus

 

Definition
ischial ramus and tubersity
Term
Insertion of Ischiocavernous 
Definition
pubic symphysis anterior to base of penis or clitoris 
Term
Ischiocavernosus 
Definition
compresses and stiffens penis/clitoris 
Term
Origin of superficial transverse perineal
Definition
ischial ramus
Term
Insertion of superficial transverse perineal
Definition
central tendon of perineum
Term
Superficial Transverse Perineal
Definition
Stabalize central tendon of perineum
Term
Origin of Deep Transverse Perineal 
Definition
ischial ramus
Term
Insertion of Depp transvers Perineal
Definition
median raphe of urogenital diaphragm
Term
Deep Transverse Perineal
Definition
stablize central tendon of perineal
Term
Origin of Coccygeus
Definition
Ischial Spine
Term
Insertion of Coccygeus
Definition
L, I borders of sacrum, coccyx
Term
Coccygeus
Definition
flexes coccygeal joints, tenses and supports pelvic floor 
Term
Iliococcygeus Origin
Definition
Ischial spine and pubis
Term
Insertion of Iliococcygeus 
Definition
Coccyx and median raphe 
Term
Iliococcygeus
Definition
tenses pelvic floor, flexes coccygeual joints, elevate/retract anus
Term
Origin of pubcoccygeus
Definition
inner margins of pubis 
Term
Insertion of pubcoccygeus 
Definition
coccyx and median raphe 
Term
Pubcoccygeus 
Definition
Tense pelvic floor, flex coccygeal joints, elevate/retract anus
Term
Origin of Levator Scapulae 
Definition
transverse processes of first four cervical vertebrae 
Term
Insertion of Levator Scapulae 
Definition
border of scapula near superior angle 
Term
Levator Scapulae 
Definition
elevates Scapula
Term
Origin of Pectoralis minor
Definition
a. superior surfaces of ribs 3-5
Term
Insertion of Pectoralis Minor
Definition
coracoid process of scapula
Term
Pectoralis Minor
Definition

depresse/protracts shoulder

rotate scapula

elevates ribs if scapula stationary

Term
Origin of Rhomboid Major
Definition
Spinious Process of superior thoracic vertebrae
Term
Insertion of Rhomboid Major 
Definition
border of scapula from spine to inferior angle
Term
Rhomboid Major 
Definition
adducts scapula, downward rotation
Term
Origin of Rhomboid Minor
Definition
Spinous process of Vertebrae C7-T1
Term
Insertion of Rhomboid minor
Definition
border of scapular near spine
Term
Rhomboid Minor 
Definition
adducts scapula, downward rotation
Term
Origin of Serratus anterior
Definition
A. and S. margins of ribs 1-9
Term
Insertion of Serratus Anterior
Definition
A. surface of vertebral border of scapula
Term
Serratus Anterior 
Definition
protracts shoulder, rotates scapula
Term
Origin of Subclavis
Definition
first rib
Term
Insertion of Subclavis 
Definition
Clavicle, inferior
Term
Subclavis
Definition
depresses, protracts shoulder
Term
Trapezius origin
Definition
occipital bone, nuchae, spinious processes of thoracic vertebrae 
Term
insertion of trapezius 
Definition
clavicle and spacula 
Term
Trapezius
Definition

elevate, retract, depress, or rotate scapula

elevate clavicle

extend neck

Term

 

origin of deltoid

Definition
clavicle and scapula
Term
insertion of deltoid
Definition
deltoid tuberosity of humerous
Term
Deltoid
Definition

abduction at shoulder

flexion and medial rotation

extension and lateral rotation

Term
Origin of Supraspinatus
Definition
supra fossa of scapula
Term
Insertion of Supraspinatus
Definition
general tubercle of humerous
Term
Supraspinatus
Definition
abduction at shoulder
Term
Origin of Subscapularis
Definition
subscapular fossa of scapula
Term
Insertion of Subscapularis
Definition
Lesser tubervcle of humerous
Term
Subacapularis
Definition
Medial rotation at shoulder
Term
origin of Teres major
Definition
inferior angle of scapula
Term
Insertion of Teres major
Definition
through a medial pass it reaches medial lip of intertubercular groove of humerous
Term
Teres Major
Definition
Extension, Adduction, and medial rotation at shoulder
Term
Origin of Infraspinatus
Definition
infraspinious fossa of scapula
Term
Insertion of Infraspinatous
Definition
greater tubercle of humerous
Term
Infraspinatous
Definition
lateral rotation at shoulder
Term
Origin of Teres minor
Definition
lateral border of scapula
Term
Insertion of Teres minor
Definition
passes laterally to greater tubercle of humerous
Term
Teres minor
Definition
lateral rotation at shoulder
Term
Origin of Coracobrachialis
Definition
coracoid process
Term
Insertion of Coracobrachialis
Definition
medial margin of humerous shaft
Term
Coracobrachialis
Definition
adduction and flexion at shoulder
Term
Origin of Pectoralis Major
Definition
rib cartilages 2-6, body of sternum and inferior, medial portion of clavicle
Term
Insertion of Pectoralis Major
Definition
crest of greater tubercle and lateral lip of intertubercular groove of humerous
Term
Pectoralis Major
Definition
Flexion, adduction, and medial rotation at shoulder
Term
Origin of Latissimus Dorsi
Definition

spinous processes of inferior thoracic and all lumbar vertebrae

ribs 8-12 and lumbodorsal fascia

Term
Insertion of Latissimus Dorsi
Definition
floor of intertubucular groover of humerous
Term
Latissimus Dorsi
Definition
Extension, Adduction and medial rotation shoulder
Term
Origin of Biceps Brachii
Definition

one from coracoid process, one from supraglenoid tubercle, 

all on scapula

Term
Insertion of Biceps Brachii
Definition
tuberosity of radius
Term
Biceps Brachii
Definition
Flexion at Elbow and shoulder
Term
Origin of Brachialis
Definition
Anterior and distal surface of humerous 
Term
Insertion of Brachialis 
Definition
Tuberosity of ulna
Term
Brachialis
Definition
Flexion at Elbow
Term
Origin of Brachioradialis
Definition
ridge superior to lateral epicondyle of humerous 
Term
Insertion of Brachioradialis 
Definition
lateral aspect of styloid process of radius
Term
Brachioradialis
Definition
flexion at elbow
Term
Origin of Anconeus
Definition
posterior and inferior surface of lateral epicondyle of humerous
Term
Insertion of Anconeus
Definition
Lateral margin of olecrannon on ulna
Term
Anconeus
Definition
Extension at Elbow
Term
Origin of Triceps Brachii
Definition

one head at superior, lateral margin of humerious

one at infraglenoid tubercle of scapula and one from posterior surface of humerus inferior to radial groove

Term
Insertion of Triceps Brachii
Definition
Olecrannon of Ulna
Term
Triceps Brachii
Definition
Extension at elbow, extension and adduction at shoulder
Term
Origin of Pronator quadratus 
Definition
Anterior/Medial surfaces of distal portion of ulna
Term
Insertion of Pronator Quadratus
Definition
Anterolateral surface of distal portion of radius 
Term
Pronator Quadratus
Definition
pronation
Term
Origin of Pronater Teres
Definition
Medial Epicondyle of humerus and coronoid process of ulna
Term
Insertion of Pronater Teres
Definition
Midlateral surface of Radius 
Term
Pronater Teres
Definition
Pronation
Term
Origin of Supinator
Definition
lateral epicondyle of humerus, adj. medial surface of olecranon and anteromedial portion of ulna
Term
Insertion of Supinator
Definition
Anterolateral surface of radius distal to radial tuberosity
Term
Supinator
Definition
Supination
Term
Origin of Flexor Carpi Radialis
Definition
medial condyle of humerus
Term
Insertion of Flexor Carpi Radialis
Definition
Bases of Second and Third Metacarpal Bones
Term
Flexor Carpi Radialis
Definition
Flexion and abduction at wrist
Term
Origin of Flexor Carpi Ulnaris
Definition

medial epicondyle of humerus 

adj. medial surface of olecrannon

anteromedial portion of ulna

Term
Insertion of Flexor Carpi Ulnaris
Definition

Pisiform bone

hamate bone

base of fifth metacarpal bone

Term
Flexor Carpi Ulnaris
Definition
Flexion/Adduction at wrist
Term
Origin of Palmaris Longus
Definition
Medial Epicondyle of Humerus
Term
Insertion of Palmaris Longus
Definition

palmar aponeurosis and flexor

retinaculum

Term
Palmaris Longus
Definition
Flexion at Wrist
Term
Origin of Extensor Carpi Radialis Longus
Definition
lateral supracondylar ridge of humerus
Term
Insertion of Extensor Carpi Radialis Longus
Definition
base of second metacarpal bone
Term
Extensor Carpi Radialis Longus
Definition
Extension and abduction at wrist
Term
Origin of Extensor Carpi radialis brevis
Definition
lateral epicondyle of humerus
Term
Insertion of extensor carpi radialis brevis
Definition
base of third metacarpal bone
Term
Extensor Carpi Radialis Brevis
Definition
extension and abduction at wrist
Term
Origin of Extensor Carpi Ulnaris 
Definition
Lateral Epicondyle of humerus, adj. dorsal surface of ulna
Term
Insertion of Extensor carpi ulnaris
Definition
base of fifth metacarpal bone
Term
Extensor Carpi Ulnaris
Definition
extension and adduction at wrist
Term
Origin of Abductor Pollicis Longus
Definition
Proximal dorsal surfaces of ulna and radius
Term
Insertion of Abductor Pollicis Longus 
Definition
Lateral Margin of first metacarpal bone
Term
Abductor Pollicis Longus
Definition
abduction at joints of thumb and wrists
Term
Orign of Extensor Digitorum
Definition
lateral epicondyle of humerus
Term
Insertion of Extensor Digitorum
Definition
posterior 
Term
Extensor Digitorum
Definition
Extension at finger joints and wrist
Term
Origin of Extensor Pollicis Brevis
Definition
shaft of radius distal to origin of adductor pollicis longus
Term
Insertion of Extensor Pollicis Brevis
Definition
base of proximal phalanx of thumb
Term
Extenser Pollicis Brevis
Definition
Extension at joints of thumb, abduction at wrist
Term
Origin of Extensor Pollicis Longus
Definition
posterior and lateral surfaces of ulna and interosseous membrane
Term
Insertion of Extensor Pollicis Longus
Definition
base of distal phalanx of thumb
Term
Extensor Pollicis Longus
Definition

Extension at joints of thumb

abduction at wrist

Term
Origin  of Extensor Indicis
Definition
posterior surface of ulna
Term
Insertion of Extensor Indicis
Definition
posterior surface of phalanges of index finger with tendon of extensor digitorum
Term
Extensor Indicis 
Definition
Extension and adduction at joints of index finger
Term
Origin of Extensor Digit minimi
Definition
lateral epicondyle of humerus and intermusclar septa
Term
Insertion of Extensor Digit minimi
Definition
posterior surface of proximal phalanx of little finger
Term
Extensor Digit Minimi
Definition
Extension at joints of little finger
Term
Origin of Flexor Digitorum superficialis
Definition
medial epicondyle of humerus and adjacent anterior surfaces of ulna and radius
Term
Insertion of Flexor Digitorum superficialis
Definition
midlateral surfaces of middle phalanges of fingers 2-5
Term
Flexor Digitorum Superficalis
Definition
Flexion at joints
Term
Origin of Flexor Digitorum Profundus
Definition

medial and posterior surface of ulna

medial surface of coronoid process

Term
Insertion of Flexor digitorum profundus
Definition
bases of distal phalanges of fingers 2-5
Term
Flexor Digitorum Profundus
Definition
Flexion at distal joints interphalengeal 
Term
Origin of Flexor Pollicis Longus
Definition
shaft of radius, interosseuous membrane
Term
Insertion of Flexor Pollicis Longus
Definition
base of distal phalanx of thumb
Term
Flexor Pollicis Longus
Definition
Flexion at joints of thumb
Term
Origin of Palmaris Brevis
Definition
Palmar aponeurosis
Term
Insertion of Palmaris Brevis
Definition
Skin of Medial border of hand
Term
Palmaris Brevis 
Definition
moves skin on medial border toward midline of palm
Term
Origin of Adductor Pollicis 
Definition
metacarpal and carpal bones
Term
Insertion of Adductor Pollicis
Definition
proximal phalanx of thumb
Term
Adductor Pollicis
Definition
adduction of thumb
Term
Origin of Palmar Interosseus
Definition
sides of metacarpal bones II IV and IV
Term
Insertion of Palmar Interosseus
Definition
Bases of proximal phalanges 2,4,5
Term
Palmar Interosseus
Definition
adduction at metacapophalangeal joints, 2-5
Term
Origin of Abductor pollicis brevis
Definition

transvers carpal ligament

scaphoid bone

trapezium

Term
Insertion of Abductor Pollicis Brevis
Definition
radial side of base of proximial thumb phalanx 
Term
Abductor Pollicis Brevis
Definition
abduction of Thumb
Term
Origin of Dorsal Interosseus
Definition
opposing faces of two metacarpal bones
Term
Insertion of Dorsal Interosseus
Definition
base of proximal phalanges 2-4
Term
Dorsal Interosseus
Definition
abduction at matacarpophalanges joints 2-4
Term
Origin of Abductor Digit Minimi, Insertion, and Action
Definition

Pisiform Bone

Proximal Phalanx of Little Finger

abduction of little finger, flexion at its joint

Term
Origin of Flexor Pollicis Brevis
Definition

Flexor retinaculum, trapezium

capitate bone, and ulnar of first metacarpal

Term
Insertion of Flexor Pollicis Brevis 
Definition
radial and ulnar sides of thumb proximal phalanx
Term
Flexor Pollicis Brevis
Definition
flexion and adduction of thumb
Term
Origin of Lumbrical
Definition
tendons of flexor digitorum profundus
Term
Lumbrical Insertion
Definition
tendons of extensor digitorum to digits 2-5
Term
Lumbrical
Definition
flexion at m. joints 2-5
Term
Origin of Flexor Digit Minimi Brevis
Definition
Hamate Bone
Term
Insertion Flexor digiti minimi brevis
Definition
proximal phalanx of little finger
Term
Flexor Digiti Minimi Brevis
Definition
flexion at joints of little finger
Term
Origin of Gluteus Maximus
Definition

Iliac Crest, posterior gluteal line

lateral surface of Ilium, sacrum

coccyx

Term
Insertion of Gluteus Maximus 
Definition
Iliotibial tract and gluteal tuberosity of femur
Term
Gluteus Maximus
Definition
Extenstion and Lateral rotation of Hip
Term
Origin of Gluteus Medius
Definition
Anterior Iliac Crest of ilium, lateral surface between gluteal lines
Term
Insertion of Gluteus Medius
Definition
Greater Trochanter of Femur
Term
Gluteus Medius
Definition
Abduction/medial rotation at hip
Term
Origin of Tensor Fasciae Latae
Definition
Iliac Crest and lateral surface of anterior superior iliac spine
Term
Insertion of Tensor Fasciae Latae
Definition
Iliotibial Tract
Term
Tensor Fasciae Latae 
Definition
Flexion and medial rotation at hip, tenses fascia lata
Term
Origin of Obturator
Definition
Lateral and medial margins of obturator foramen
Term
Insertion of Obturator 
Definition
Tronchanter, greater and fossa 
Term
Obturator
Definition
lateral rotation at hip
Term
Origin of Piriformis
Definition
Anterolateral surface of sacrum
Term
Insertion of Piriformis
Definition
greater trochanter femur
Term
Piriformis
Definition
lateral rotation and abduction at hip
Term

 

Gemellus origin

Definition
Ischial Spine and tuberosity
Term
Insertion of Gemellus
Definition
Medial Surface of greater trochanter with tendon of obturator internus
Term
Gemellus
Definition
Lateral rotation at hip
Term
Origin of Quadratis Femoris
Definition
Lateral border of ischial tuberosity
Term
Insertion of Quadratus femoris 
Definition
intertronchanteric crest of femur 
Term
Quadratus Femoris
Definition
Lateral Rotation at hip
Term
Origin of Adductor Brevis 
Definition
Inferior ramus of pubis
Term
Insertion of Adductor Brevis 
Definition
linea aspera of femur
Term
Adductor Brevis
Definition
Adduction, flexion, and medial rotation at hip
Term
Adductor Longus origin
Definition
inferior ramus of pubis
Term
Insertion adductor longus
Definition
linea aspera of femur
Term
Adductor Longus
Definition
adduction, flexion, and medial rotation at hip
Term
Origin of Adductor Magnus
Definition
inferior ramus of pubis posterior to adductor brevis and ischial tuberosity
Term
Insertion of Adductur Magnus
Definition
Linea Aspera and adductor tubercle of femur
Term
Adductor Magnus
Definition

adduction at hip, superior flexion and medial rotation

inferior extension and lateral rotation

Term
Origin of Pectineus
Definition
Superior ramus of pubis
Term
Insertion of Pectineus
Definition
line inferior to lesser trochanter of femur
Term
Pectineus
Definition
flexion, medial rotation, and adduction at hip
Term
Origin of Gracilis
Definition
inferior ramus of pubis
Term
Insertion of Gracilis 
Definition
medial surface of tibia inferior to medial condyle
Term
Gracilis
Definition
Flexion at knee, adduction and medial rotation at hip
Term
origin of Iliacus
Definition
Iliac fossa of ilum
Term
insertion of iliacus
Definition

femur distal to lesser trochanter 

tendon fused with psoas major

Term
Iliacus
Definition
flexion at hip
Term
Origin of Psoas Major
Definition
Anterior surfaces and transverse processes of Vertebrae T12-L5
Term
Insertion of Psoas Major
Definition
lesser trochanter in company with Iliacus
Term
Origin of Biceps Femoris
Definition
ischial tuberosity and linea aspera of femur 
Term
Insertion of Biceps Femoris 
Definition

Head of Fibula

lateral condyle of tibia

Term
Biceps Femoris 
Definition

flexion at knee 

extension and lateral rotation at hip

Term
Origin of Semimembranosus 
Definition
Ischial tuberosity
Term
Insertion of Semimembranosus 
Definition
Posterior surface of medial condyle of tibia 
Term
Semimembranosus
Definition
Flexion at knee, extension and medial rotation at hip
Term
Origin of Semitendinosus
Definition
Ischial tuberosity 
Term
Insertion of Semitendinosus 
Definition
Proximal, medial surface of tibia near insertion of gracilis 
Term
Semitendinosus
Definition
Flexion at knee, flexion and lateral rotation at hip
Term
Origin of Sartorius
Definition
Anterior superior iliac spine
Term
Insertion of Sartorius
Definition
Medial surface of tibia near tibial tuberosity
Term
Sartorius
Definition
flexion at knee, flexion and lateral rotation at the hip
Term
Origin of Popliteus 
Definition
Lateral condyle of femur 
Term
Insertion of Popliteus
Definition
posterior surface of proximal tibial shaft
Term
Popliteus
Definition
medial roation of tibia flexion at knee
Term
Origin of Rectus femoris
Definition
anterior inferior iliac spine and superior acetabular rim of ilium
Term
Insertion of Rectus Femoris 
Definition
Tibial tuberosity via patellar ligament
Term
Rectus Femoris 
Definition
Extension at knee, flexion at hip
Term
Origin of Vastus intermedius 
Definition
Anterolateral surface of femur and linea aspera
Term
Insertion of Vastus intermedius 
Definition
tibial tuberosity via patellar ligament
Term
Vastus Intermedius
Definition
Extension  at knee
Term
Origin of Vastus lateralis
Definition
Anterior and inferior to greater trochanter of femur/linea aspera
Term
Insertion of Vastus lateralis
Definition
tibial tuberosity via patellar ligament 
Term
Vastus Lateralis 
Definition
Extension at knee
Term
Origin of Vastus medialis 
Definition
entire length of linea aspera of femur
Term
Insertion of Vastus Medialis 
Definition
tibial tuberosity via patellar ligament
Term
Vastus medialis
Definition
extension at knee
Term
Origin of Tibialis Anterior 
Definition
lateral condyle and proximal shaft of tibia 
Term
Insertion of tibialis anterior
Definition
base of first metatarsal bone and medial cuneiform bone
Term
Tibialis anterior
Definition
flexion at ankle, inversion of foot
Term
Origin of Gastrocnemius
Definition
Femoral condyles
Term
Insertion of gastrocnemius
Definition
calcaneus via calcaneal tendon
Term
Gastrocnemius
Definition
Extension at ankle, foot inversion, knee flexion
Term
Fibularis Brevis Origin
Definition
midlateral margin of fibula
Term
Insertion of Fibularis Brevis
Definition
base of fifth metatarsal bone
Term
Fibularis Brevis
Definition
Eversion of foot and extension at ankle
Term
Origin of Fibularis Longus
Definition
Lateral Condyle of Tibia head and shaft of fibula
Term
Insertion of Fibularis Longus
Definition
base of first metatarsal bone/ medial cuneiform bone
Term
Fibularis Longus
Definition
Eversion of Foot, extension of ankle, support arch
Term
Origin of Plantaris 
Definition
Lateral supercondylar ridge
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