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Anatomy > muscles and their prox, dis attachments, nerve and action > Flashcards

muscles and their prox, dis attachments, nerve and action Flashcards

1
Q

Supraspinatus

A

A: Supraspinous fossa, DA: Sup. Facet Gr. Tub of humerus, NS: Suprascapular n. (C4-6), A: abduct humerus

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2
Q

infraspinatus

A

A: Infraspinous fossa, DA: Mid. Facet GR. Tub. of humerus, NS: Suprascapular n. (C5-6), A: ER or humerus

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3
Q

Subscapularis

A

PA: Subscapula fossa, DA: Lesser Tubercle of humerus, NS: Upr. And Lwr. Subscapular ns. (C5-7), A: IR of humerus

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4
Q

teres minor

A

A: Lateral Border of Scapula, DA: Inf. Facet Gr. Tub. of humerus, NS: Axillary n. (C5/6), A: ER of humerus

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5
Q

deltiod

A

A: Lat 1/3 clav, acromion, spine of scap, DA: Deltoid tub, of humerus, NS: Axillary n. (C5/6), A: Ant: flex and IR of humerus, Mid: abduct of humerus, Post: Ext and ER of humerus

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6
Q

biceps brachii

A

PA: Long head- supraglenoid tube, short head- coracoid process, DA: Radial tuberosity, NS: Musculocutaneous n. (C5-7), A: Supination, GH flexion (when sup), elbow flexion

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7
Q

triceps brachii

A

A: long- infraglenoid tube, Lateral head- post humerus (sup to radial groove), Medial head- post humerus (inf to radial groove), DA: Olecranon of ulna, NS: Radial n. (C6-8), A: Extend forearm

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8
Q

pectoralis major

A

A: clavicle, sternum, sup 6 costal cartilages, DA: Lat. Lip of Bicipital groove, NS: Lateral/ Medial pectoral ns. (C5-T1), A: Adduct, IR of humerus

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9
Q

pectoralis minor

A

PA: ribs 3-5, DA: coracoid process, NS: medial pectoral n. (C8-T1), A: scap stabilizer, accessory respiration

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10
Q

Serratus anterior

A

A: lateral ribs 1-8, DA: antero-medial scap border, NS: long thoracic n. (C5-7), A: protraction, holds scap to tx wall

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11
Q

Latissimus dorsi

A

PA: SP’s T7-T12, iliac crest, T/L Fascia, DA: Floor of bicipital groove, NS: thoracodorsal n (C6-8), A: adduct, extend, IR humerus

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12
Q

teres major

A

PA: inf angle of scap, DA: Med. Lip of Bicipital groove, NS: Lwr Subscapular n (C5-6), A: IR, adduct humerus

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13
Q

Trapezius

A

PA: C7-T12 Sp’s, nuchal line and lig., DA: lat 1/3 clavicle, acromion, spine of scap., NS: M: CN 11 (acc.) + S: C3/4 spinal ns., A: sup- elevates scap., Mid- Retracts scap., Low- Depresses scap

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14
Q

levator scapulae

A

PA: C1- C4 TP’s, DA: superior angle. Of scap., NS: dorsal scapula (C5), A: Sup: Elevates scap.

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15
Q

rhomboids (major and minor)

A

A: maj- T2-T5 SP’s, min- C7-T1 SP’s, nucal lig., I: medial border scapula (minor above spine of scapula/ major below spine of scapula), NS: dorsal scapula (C4-5), A: retraction of scapula

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16
Q

anconeous

A

A: lateral epicondyle of humerus, DA: lateral surface of olecranon, N: radial nerve (C7-T1), A: extension of the elbow/ locking of the elbow

17
Q

pronator teres

A

PA: medial epicondyle (CRO) and coronoid process, DA: lateral radius (middle), N: median nerve (C6/7), A: pronation and flexes f/arm

18
Q

flexor carpi ulnaris

A

PA: medial epicondyle and olecranon (UH), DA: pisiform, hook of hamate, base of 5 metcarpal N: ulnar nerve (C7-8), A: flexion and UD of wrist

19
Q

flexor carpi radalis

A

PA: medial epicondyle, DA: base 2nd met, N: Median nerve (C6/7), A: flexion and RD of wrist

20
Q

brachialis

A

PA: proximal anterior humerus, DA: coronoid process and ulnar tuberosity, N: musculocutaneous nerve (C5-7), A: forearm flexion

21
Q

palmaris longus

A

PA: medial epicondyle, DA: palmar aponeurosis, N: median nerve (C7/8), A: wrist flexion

22
Q

brachioradialis

A

PA: Lat. SCR humerus, DA: lat. Distal radius, N: radial n., A: forearm flexion

23
Q

extensor carpi radialis longus and brevis

A

PA: Lat. SCR and CEO, DA: base 2nd and 3rd met, N: radial n., A: wrist ext. And RD

24
Q

extensor pollicis brevis

A

Dist. Post. Rad + IOM- base prox thumb phlanx

25
Q

abductor pollicis longus

A

Post. Rad, IOM, ulna- base 1st MC

26
Q

extensor pollicis longus

A

Post. Mid. Ulna and IOM- base dist. Thumb phlanx

27
Q

extensor carpi radialis longus

A

Lat. SCR- base 2nd MC

28
Q

extensor carpi radialis brevis

A

CEO- base 3rd MC

29
Q

Extensor digitorum

A

CEO- Med 4 ext. exp.

30
Q

extensor indici

A

Post dist. 1/3 ulnar and IOM- ext. Exp. 2nd digit

31
Q

extensor digiti minimi

A

CEO- ext. exp. 5th digit

32
Q

extensor carpi ulnaris

A

CEO- base of 5th MC

33
Q

flexor carpi ulnaris

A

CFO and Olec. - Pisiform, HOH, 5th MC

34
Q

palmaris longus

A

CFO- Flex. Retnac.

35
Q

flexor carpi radialis

A

CFO- Base 2nd MC

36
Q

palmar aponeurosis

A

t/verse carpal lig + PL- skin and flexor tendons at MCP

Anatomy (2 decks)

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