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AOI of Head, neck,arm, hand
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57
Anatomy
Undergraduate 4
05/02/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Brachialis
Definition
O: Anterior surface of distal half of humerus
I: Coronoid process and tuberosity of ulna
A: Elbow flexion
Term
Biceps Brachii
Definition
O: Long head: inferior margin of glenoid cavity
Short head: Corocoid process of scapula
I: Tuberosity of radius
Term
Triceps Brachii
Definition
O: Long head: inferior margin of glenoid cavity
Lateral head: posterior surface of proximal end of humerus
Medial head: posterior surface of entire humeral shaft
I: Olecranon
A: Extension of elbow, adduction of humerus
Term
Brachioradialis
Definition
O:Lateral supracondylar ridge of humerus
I: Lateral surface of radius near styloid process
A: Flexion of elbow
Term
Pronator Quadratus
Definition
O: Anterior surface of distal ulna
I: Anterior surface of distal radius
A: Forearm pronation
Term
Supinator
Definition
O:Lateral epicondyle of humerus, supinator crest and fossa just distal of radial notch on ulna
I: proximal 1/3 of radius
A: Supinates forearm
Term
Palmaris Longus
Definition
O: Medial epicondyle of humerus
I: Palmar aponeurosis
A: Anchors skin and fascia of palmar region
Term
Flexor Carpi Radialis
Definition
O: Medial epicondyle of humerus
I: Base of metacarpals 2-3
A: Flexes wrist
Term
Flexor Carpi Ulnaris
Definition
O: Medial epicondyle of humerus, medial margin of olecranon, posterior surface of ulna
I: Pisiform, hamate, MC5
Term
Flexor Digitorum Superficialis
Definition
O: Medial epicondyle of humerus, coronoid process, superior 1/2 of ulna
I: Middle Phalanges 2-5
A: Flexes wrist, metacarpophalangeal and interphalangeal joints
Term
Flexor Digitorum Profundus
Definition
O: Proximal 3/4 of ulna, coronoid process, interosseus membrane
I: Distal phalanges 2-5
A: Flexes wrist, MCoP and IP joints
Term
Flexor Pollicis Longus
Definition
O: Radius, interosseus membrane
I: Distal phalanx 1
A: Flexes phalanges of thumb
Term
Extensor Carpi Radialis Longus
Definition
O: Lateral supracondylar ridge of humerus
I: Base of MC2
A: Extends wrist
Term
Extensor Carpi Radialis Brevis
Definition
O: Lateral epicondyle of humerus
I: Base of MC 3
A: Extends wrist
Term
Extensor digitorum
Definition
O: Lateral epicondyle of humerus
I: Dorsal surfaces of middle and distal phalanges 2-5
A: Extend wrist and MCoP/IP joints 2-5
Term
Extensor digiti minimi
Definition
O: Lateral epicondyle of humerus
I: Proximal phalanx 5
A: Extends wrist and all joints of little finger
Term
Extensor Carpi Ulnaris
Definition
O: Lateral epicondyle of humerus, posterior surface of ulnar shaft
I: Base of MC5
A: Extends and fixes wrist during fist contraction
Term
Abductor Pollicis Longus
Definition
O: Posterior surfaces of radius and ulna, interosseous membrane
I: Trapezium, base of MC1
A: Abducts thumb in palmar plane, extends thumb @ CoMC joint
Term
Extensor Pollicis Brevis
Definition
O: Shaft of radius, interosseous membrane
I: Proximal phalanx I
A: extends MC1 and proximal phalanx I
Term
Extensor Pollicis Longus
Definition
O: Posterior surface of ulna, interosseous membrane
I: Distal phalanx 1
A: Extends distal phalanx 1, adducts and laterally rotates thumb
Term
Extensor indices
Definition
O: Posterior surface of ulna, interosseous membrane
I: Middle and distal phalanges of index finger
A: Extends wrist and index finger
Term
Adductor Pollicis
Definition
O: Capitate, base of MC3,
I: Medial surface of base of proximal phalanx 1
A: adducts thumb on sagittal plane
Term
Abductor Pollicis Brevis
Definition
O: Flexor retinaculum, scaphoid, trapezium, and abductor pollicis longus tendon
I: Lateral surface of proximal phalanx I
A: Abducts thumb in saggital plane
Term
Flexor Pollicis Brevis
Definition
O: Trapezium, trapezoid, capitate, flexor retinaculum
I: Proximal phalanx 1
A: Flexes MCoP joint of thumb
Term
Opponens Pollicis
Definition
O: Trapezium, flexor retinaculum
I: MC1
A: flexes MC1 to oppose fingertips
Term
[image]
Definition
Abductor digiti minimi
O: Pisiform, tendon of flexor carpi ulnaris
I: Medial surface of proximal phalanx 5
A: Abducts little finger
Term
Flexor Digiti Minimi
Definition
O: Hamulus of hamate bone, flexor retinaculum
I: Medial surface of proximal phalanx 5
A: flexes phalanx 5 MCoP
Term
Opponens Digiti Minimi
Definition
O: Hamulus of hamate bone, flexor retinaculum
I: Medial surface of MC 5
A: Flexes MC5 @ C-MC
Term
Dorsal Interosseous Muscles
Definition
O: Each w/ 2 heads arising from facing surfaces of adjacent metacarpals
I: Proxial phalanges 2-4
A: Abduct phalanges
Term
Palmar Interosseous Muscles
Definition
O: MC 1,2,4,5 (fuck the middle fingah) I: Proximal Phalanges 2,4,5 A: Adducts fingers
Term
Lumbricals
Definition
O: Tendons of flexor digitorum profundus
I: Proximal phalanges 2-5
A: Extend IP joints
Term
Frontalis
Definition
O: galea aponeurosis
I: subcutaneous tissue of eyebrow
A: tighten scalp, raise eyebrows
Term
Occipitalis
Definition
O: Superior nuchal line & temporal bone
I: Galea aponeurosis
A: Aids frontalis muscle, retracts scalp
Term
Orbiculus Oculi
Definition
O: Lacrimal bone, adjacent regions of frontal and maxillary bones, medial angle of eyelids
I: Superior and inferior eyelids, skin around margin of orbit
A: sphincter of eyelids
Term
Orbicularis Oris
Definition
O: Modiolis of the mouth
I: Submucosa and dermis of lips
A: pushes lips out
Term
Levator Labii Superioris
Definition
O: Zygomatic bone and maxilla near orbit
I: Modiolus of the mouth
A: Raises upper lip as in snarling, what I'll be doing during this goddamn exam
Term
Zygomaticus major
Definition
O: Zygomatic bone
I: Muscles of upper lip
A: Raises angle of lips superolaterally
Term
Risorius
Definition
O: Zygomatic arch
I: Modiolus of mouth
A: retracts angle of lips laterally
Term
Mentalis
Definition
O: Mandible near inferior incisors
I: subcutaneous tissue of inferior chin
A: Pushes out lower lip
Term
Buccinator
Definition
O: Lateral alveolar processes of maxilla and mandible
I: Orbicularis oris, submucosa of cheek and lips
A: Compresses cheek against gums
Term
Genioglossus
Definition
O: Superior mental spine on posterior surface of mental protuberence I: Ventral surface of tongue A: draws tongue to one side, protrudes tongue
Term
Hyoglossus
Definition
O: Body and greater wings of hyoid
I: Inferolateral surface of tongue
A: Depresses tongue
Term
Temporalis
Definition
O: Temporal lines & fossa of temporal bone
I: Coronoid process and ramus of mandible
A: elevation, retraction, lateral and medial excursion of mandible
Term
Masseter
Definition
O: Zygomatic arch
I: Lateral surface of mandibular angle
A: elevation of mandible,
Term
Medial Pterygoid
Definition
O: Medial surface of lateral pterygoid plate, palatine bone
I: Medial surface of mandibular ramus and angle
A: Elevation,protraction, medial and lateral excursion of mandible
Term
Lateral Pterygoid
Definition

O: Lateral surface of lateral pterygoid plate, greater wing of sphenoid I: Neck of mandible, coronoid process of mandible A: Lateral and medial excursion, protraction, and depression of mandible

 

Note* Same insertion as Temporalis

Term
Digastric
Definition
O: Mastoid notch of temporal bone, digastric fossa of mandible I: Hyoid bone A: Depresses mandible, elevates hyoid
Term
Omohyoid
Definition
O: Superior border of scapula
I: Hyoid bone
A: Depresses hyoid
Term
Sternohyoid
Definition
O: Manubrium, medial 1/3 of clavicle
I: Hyoid
A: depresses hyoid
Term
Mylohyoid
Definition
O: Mylohyoid line near inferior margin of mandible
I: Hyoid bone
A: forms floor of mouth. Elevates floor of mouth, aid swallowing
Term
Sternocleidomastoid
Definition
O: Manubrium, medial end of clavicle
I: Mastoid process
A: contralateral rotation of head, flexes neck angling head downwards
Term
Scalenes
Definition
O: Transverse processes of C1-C7
I: Ribs 1-2
A: ipsilateral flexion, contralateral rotation, elevates ribs 1-2- aids in breathing
Term
Splenius capitus
Definition
O: C7-T6 spinous process, inferior 1/2 nuchal ligament
I: Mastoid process, just inferior to superior nuchal line, C1-C2
A: ipsilateral flexion, extends head
Term
Semispinalis capitus
Definition
O: Articular processes C4-C7, Transverse processes T1-T6
I: Occipital bone between nuchal lines, spinous processes of C2-C5
Term
Diaphragm
Definition
O: Xiphoid process, ribs and CC 7-12, lumbar vertebrae
I: Central tendon of diaphragm
A: Prime mover of inspiration, contracts abdominal viscera
Term
External intercostals
Definition
O: Inferior border of ribs
I: Superior border of rib inferior to the origin rib
A: expands thoracic cavity aiding inspiration
Term
Internal intercostals
Definition
O: Superior border of rib
I: Inferior border of rib superior to origin
A: Contracts thoracic cavity, aids in expiration
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