Shared Flashcard Set

Details

Muscles
Carolyn
73
Anatomy
Undergraduate 2
02/10/2014

Additional Anatomy Flashcards

 


 

Cards

Term
Orbicularis oculi
Definition

origin:frontal & maxillary bones

insertion:eyelids

closes eye (blink)

Term
Orbicularis oris
Definition

maxilla & mandible

skin around mouth

protrudes (purses) lips

Term
Buccinator
Definition

maxilla & mandible

orbicularis oris

retracts angle of mouth

Term
Frontal belly of epicranius
Definition

frontal bone

epicranial aponeurosis

wrinkles  forehead & raises eyebrows

Term
Occipital belly of epicranius
Definition

occipital bone

epicranial aponeurosis

retracts scalp

Term
Zygomaticus major
Definition

zygomatic bone

corner of mouth

draws angle of mouth upwards (smile)

Term
Zygomaticus minor
Definition

zygomatic bone

skin of superior lip 

elevates corner of mouth (smile)

Term
Temporalis
Definition

temporal fossa

coronoid process of mandible

elevates mandible

Term
Masseter
Definition

zygomatic arch

mandible

elevates mandible

Term
Medial pterygoid
Definition

maxilla, palatine & pterygoid plate

mandible

elevates & protracts mandible; side-to-side movement of mandible

Term
Lateral pterygoid
Definition

spenoid & pterygoid plate

condylar process of mandible

protracts mandible; side-to-side movement of mandible

Term
Stylohyoid
Definition

styloid process

hyoid bone

elevates hyoid

Term
Mylohyoid
Definition

mandible

hyoid bone

elevates hyoid & floor of mouth

Term
Geniohyoid
Definition

mental spines of mandible

hyoid bone

elevates hyoid

Term
Digastric
Definition

mastoid process & mandible

hyoid bone

 

depresses mandible & elevates hyoid

Term
Sternohyoid
Definition

manubrium & clavicle

hyoid bone

depresses hyoid bone

Term
Sternothyroid
Definition

manubrium

thyroid cartilage

depresses larynx

Term
Thyrohyoid
Definition

thyroid cartilage

hyoid bone

depresses hyoid bone & elevates larynx

Term
Omohyoid
Definition

scapula

hyoid bone

depresses hyoid

Term
Sternocleidomastoid
Definition

manubrium & clavicle

mastoid process

rotates & flexes head

Term
Scalenus anterior
Definition

transverse cervical processes

first ribs

elevate ribcage & flex neck

Term
External intercostal
Definition

rib above

rib below

elevates ribs during inhalation

Term
Internal intercostal
Definition

rib below

rib above

depresses ribs during exhalation

Term
Serratus posterior superior
Definition

spinous process of C7-T3

lateral border of ribs 2-5

elevates ribs during inhalation

Term
Serratus posterior inferior
Definition

spinous process of T11-L2

inferior borders of ribs 8-12

depresses ribs during exhalation

Term
Diaphragm
Definition

inferior internal ribs 7-12

central tendon

expands thoracic cavity

Term
Erector spinae group (spinalis, longissimus, iliocostalis)
Definition

iliac crest, sacrum & vertebrae

ribs, vertebrae  & mastoid process of temporal bone

Extends head, neck & vertebral column

Term
External abdominal oblique
Definition

lower eight ribs

linea alba & iliac crest

compresses abdomen; flexes & rotates vertebral column

Term
Rectus abdominis
Definition

pubis

cartilageof ribs 5-7 & xiphoid process

flexes vertebral column & compresses abdomen

Term
Transversus abdominis
Definition

iliac crest & cartilage of lower 6 ribs

linea alba

compresses abdomen

Term
Internal abdominal oblique
Definition

iliac crest & thoracolumbar fascia

linea alba & lower 4 ribs

compresses abdomen; flexes & rotates vertebral column

Term

Pectoralis minor

 

Definition

upper ribs

coracoid process of scapula

depresses scapula

Term
Serratus anterior
Definition

upper ribs

medial border of scapula

rotation of scapula

Term
Levator scapulae
Definition

transverse process of C1-C4

superior-medial border of scapula

elevates &; inferiorly rotates scapula

Term
Rhomboid (major & minor)
Definition

spines of thoracic vertebrae

medial border of scapula

adducts scapula

Term
Trapezius
Definition

occipital bone; spinous process of C7-T12

clavicle; acromion process & spine of scapula

elevate, superiorly rotate, retract & depress scapula

Term
Latissimus dorsi
Definition

spinous process of T7 - T12, ribs 8 -12, iliac crest & thoracolumbrar fascia 

intertubercular groove of humerus

adducts & medially rotates humerus

Term
Pectoralis major
Definition

sternum & clavicle

intertubercular groove of humerus

flexes, adducts & medially rotates humerus

Term
Deltoid
Definition

acromion & spine of scapula;clavicle

deltoid tuberosity of humerus

abducts, flexes, rotates & extends arm

Term
Coracobrachialis
Definition

coracoid process of scapula

shaft of humerus

flexes & adducts humerus

Term
Teres major
Definition

lateral border of scapula

lesser tubercle & intertubercular groove of humerus

extends, adducts & medial rotates arm

Term
Triceps brachii long head
Definition

infraglenoid tubercle

olecranon of ulna

extends forearm; extends & adducts arm

Term
Subscapularis
Definition

subscapular fossa

 

lesser tubercle of humerus

medial rotation of humerus

Term
Supraspinatus
Definition

supraspinous fossa

greater tubercle

abducts humerus

Term
Infraspinatus
Definition

infraspinatus fossa

greater tubercle

adducts & lateraly rotates of humerus

Term
Teres minor
Definition

lateral border of scapula

greater tubercle

adducts & laterally rotates arm

Term
Biceps brachii long head
Definition

rim of glenoid process

radial tuberosity

flexes forearm & arm; supinates forearm

Term
Brachialis
Definition

shaft of humerus

tuberosity & coronoid process of ulna

flexes forearm

Term
Brachioradialis
Definition

supracondylar ridge of humerus

styloid process of radius

flexes forearm

Term
Triceps brachii long head
Definition

infraglenoid tubercle

olecranon of ulna

extends forearm; extends & adducts arm

Term
Triceps brachii lateral head
Definition

humerus

olecranon of ulna

extends forearm

Term
Triceps brachii medial head
Definition

humerus

olecranon of ulna

extends forearm

Term
Pronator teres
Definition

medial epicondyle of humerus

shaft of radius

pronates forearm

Term
Supinator
Definition

lateral epicondyle of humerus

shaft of radius

supinates forearm

Term
Flexor carpi radialis
Definition

medial epicondyle of humerus

2nd & 3rd metacarpals

flexes wrist &abducts hand

Term
Palmaris longus
Definition

medial epicondyle of humerus

palmar aponeurosis

flexes wrist weakly

Term
Flexor carpi ulnaris
Definition

medial epicondyle of humerus & upper ulna

pisiform, hamate & 5th metacarpal

flexes wrist & adducts hand

Term
Flexor digitorum superficialis
Definition

medial epicondyle of humerus & coranoid process of ulna

middle phalanges (2-5)

flexes wrist & fingers

Term
Flexor digitorum profundus
Definition

ulna

distal phalanges (2-5)

flexes fingertips

Term
Flexor pollicis longus
Definition

shaft of radius

1st distal phalanx

flexes thumb

Term
Extensor carpi radialis longus
Definition

lateral supracondylar ridge of humerus

2nd metacarpal

extends wrist & abducts hand

Term
Extensor carpi radialis brevis
Definition

lateral epicondyle

3rd metacarpal

extends wrist & abducts hand

Term
Extensor digitorum
Definition

lateral epicondyle of humerus

digits 2-5

extends fingers 2-5 & wrist

Term
Extensor digiti minimi
Definition

lateral epicondyle of humerus

5th digit

extends 5th digit & hand

Term
Extensor carpi ulnaris
Definition

lateral epicondyle of humerus & ulna

5th metacarpal

extends wrist & adducts hand

Term
Supinator
Definition

lateral epicondyle of humerus & ulna

radius

supination of forearm

Term
Extensor pollicis brevis
Definition

posterior radius

1st proximal phalanx

extends thumb & extends wrist weakly

Term
Extensor pollicis longus
Definition

posterior ulna

1st distal

extends thumb & extends wrist weakly phalanx

 

Term
Abductor pollicis longus
Definition

ulna & radius

1st metacarpal

abducts thumb & extends wrist weakly

Term
Abductor pollicis brevis
Definition

scaphoid, trapezium & flexor retinaculum

proximal  phalanx of thumb

abducts thumb

Term
Adductor pollicis
Definition

metacarpals 2 & 3; capitate bone

proximal phalanx of thumb

adducts thumb

 

Term

Extensor indicis

 

Definition

posterior surface of ulna

1st tendon of Ext. digitorum 

extends finger 2 & extends wrist weakly

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