Mm Flashcards

Front 1

tibialis posterior

Back 1

1. lat part of posterior tibia, interrosseous membrane, proximal half of posterior fibula
2. tuberosity of navicular bone, all cuneiforms, cuboids, bases of metatarsals II and IV
3. tibial nerve (l5,S1)
4) plantar flexes ankle, inverts foot

Front 2

soleus

Back 2

1) posterior aspect of head of fibula, proximal fourth of posterior surface of fibula, soleal line of tibia
2) posterior aspect of calcaneus via calcaneal tendon
3) tibial n (S1,S2)
4) plantarflexes ankles, stabilizes leg over foot

Front 3

fibularis brevis

Back 3

1) distal 2/3 of lateral surface of fibula
2) dorsal surface of tuberosity on base of metatarsal v
3) superficial fibular n (L5, s2)
4) everts foot, weakly plantarflexes ankle

Front 4

fibularis longus

Back 4

1) head and proximal 2/3 of lateral fibula
2) plantar base of metatarsal I , medial cuneform
3) superficial fibular n (L5-S2)
4) everts foot, weakly plantarflexes ankle

Front 5

rhomboid major

Back 5

1)spinous processes of T2-4
2) medial border of scapula below base of spine of scap
3) dorsal scapular n (c4, c5)
4) retracts and rotates the scapula to depress the glenoid cavity

Front 6

rhomboid minor

Back 6

1) lig. nuchae, spinous process of C7-T1
2) medial border of scapula at base of spine of scapula
3) dorsal scapular n C4, C5
4) retracts and stabilizes scapula

Front 7

trapezius

Back 7

1) medial 1/3 of superior nuchal line, external occipital protuberance, lig nuchae, spinous process of C7-T12
2) lateral third of posterior clavicle , medial acromion, superior edge of spine of scapula
3) spinal root of accessory n 11, C3, C4
4) descending part: elevates; transverse: retracts; ascending: depresses; descending and ascending rotates scap

Front 8

latissimus dorsi

Back 8

1) spinous processes of T7-12, thoracolumbar fascia, iliac crest, lower 3-4 ribs
2) floor of intertubercular sulcus of humerus
3)thoracodorsal n C6-C8
4) extends, add, medially r oates arm, draws shoulder down and back

Front 9

serratus anterior

Back 9

1) external surface of lat part of ribs 1-8
2) anterior surface of medial border of scapula
3) long thoracic nerve C5-C7
4) abducts, protracts scap, roates the scap so that glenoid cavity faces upwards, holds scap firmly against thoracic wall

Front 10

pectoralis major

Back 10

1) sternalcostal head: anterior sternum, upper 6 costal cartliage, aponeurosis of ext oblique muscle; clavicle head: ant surface of medial half of clavicle
2) lateral lips of intertubercular grrove of humerus
3) lateral and medial pectoral n: clavicular head (c5-c6)
sternocostal head ( c7-T1)
4) together: add and medially rotates arm; clavicular head: flexes arm; sternocostal head: ext arm.

Front 11

pectoralis minor mm

Back 11

1) ant surface of rib 3-5
2) medial surface of coracoid process
3) medial pec n (C8-T1)
4) stabilizes scapula by pulling it inferiorly and anteriorly.

Front 12

deltoid mm

Back 12

1) lateral third of anterior clavicle, lateral acromion, inferior edge of spine of scapula
2) deltoid tuberosity of humerus
3) ant and post branch of axillary n (C5-6)
4) clavicular part: flexes and med rotates arm; acromial part: abd arm; spinal part: ext and lat rotates arm

Front 13

supraspinatus

Back 13

1) supraspinous fossa of scapula
2) superior facet of greater tubercle of humerus
3) suprascapular n (C4-C6)
4) initiates arm abd, acts with rotator cuff mm

Front 14

infraspinatus

Back 14

1) infraspinous fossa of scapula
2) middle facet of greater tubercle of humerus
3) suprascapular n (C5-6)
4) lateral rotate the arm with teres minor

Front 15

teres minor

Back 15

1)upper 2/3 of post surface of lateral border scapula
2) inferior facet of greater tubercle of humerus
3) post branch of axillary n (C5-6)
4) lateral rotation of arm, add of arm

Front 16

subscapularis

Back 16

1) subscapular fossa
2) lesser tubercle of humerus
3) superior and inferior subscapular n (C5-C7)
4) medially rotates arm and add

Front 17

teres major mm

Back 17

1) posterior surface of inferior angle of scapula
2) medial lip of intertubercular sulcus
3) inferior subscapular n C6-7
4) adducts and med rotates arm

Front 18

tricep brachii

Back 18

1) long head- infraglenoid tubercle of scapula; lateral head- upper half of posterior humerous; medial head- distal 2/3 of medial and posterior humerus
2) posterior surface of olecranon process of ulna
3) radial n ( c6-8)
4) ext forearm, long head stabilizes head of abducted humerus