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KESM Module MS Final
KESM MS Module 1 Final Origin & Insertion of Muscles
| Question | Answer |
|---|---|
| what is the origin of the masseter | zygomatic arch |
| what is the insertion of the masseter | angle and ramus of mandible |
| what is origin of temporalis | temporal fossa & fascia |
| what is the insertion of the temporalis | coronoid process of the mandible |
| where is the origin of the anterior scalene | transverse process of 3rd-6th cervical vertebrae |
| what is the insertion of the anterior scalene | 1st rib <same as middle> |
| what is the bilateral action of the anterior scalene | elevate ribs during inhallation AND flexion of head and neck |
| what is the unilateral action of the anterior scalene | laterally flex head/neck to same side, rotate head/neck to opposite side |
| what is origin of middle scalene | transverse process of 2nd-7th cervical vertebrae |
| what is the insertion of the middle scalene | 1st rib <same as anterior> |
| what is the unilateral action of the middle scalene | laterally flex head/neck to same side, rotate head/neck to opposite side <same for middle and posterior scalenes> |
| what is the bilateral action of the middle scalene | elevate ribs during inhallation |
| what is origion of posterior scalene | transverse process of 5th & 6th cervical vertabrae |
| what is the insertion of the posterior scalene | 2nd rib |
| what is the unilateral action of the posterior scalene | laterally flex head/neck to same side, rotate head/neck to opposite side <same for middle and posterior scalenes> |
| what is the bilateral action of the posterior scalene | elevate ribs during inhallation |
| what is the origin of extensor carpi radialis longus | lateral supracondylar ridge of the humerus |
| what is insertion of extensor carpi radialis longus | base of 2nd metacarpal |
| what is origin of extensor carpi radialis brevis | lateral supracondylar ridge of the humerus |
| what is insertion of extensor carpi radialis brevis | base of 3rd metacarpal |
| what is origin of palmaris longus | common flexor tendon from medial epicondyle |
| what is insertion of palmaris longus | flexor retinaculum and palmar aponeurosis |
| what is origin of flexor carpi radialis | common flexor tendon from medial epicondyle |
| what is insertion of flexor carpi radialis | bases of 2nd and 3rd metacarpals |
| what is origin of flexor carpi ulnaris | humeral head: common flexor tendon from medial epicondyle ulnar head: posterior surface of proximal half of ulnar shaft |
| what is insertion of flexor carpi ulnaris | pisiform |
| what is origin of flexor digitorum profundus | anterior and medial surfaces of proximal 3/4 of ulna |
| what is insertion of flexor digitorum profundus | by 4 tendons into bases of distal phalanges, palmar surface of 2nd-5th fingers |
| what is origin of supinator | supinator crest of ulna |
| what is insertion of supinator | lateral proximal radius |