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muscles origin
| Question | Answer |
|---|---|
| Latissimus dorsi | spinous process of T7-L5 upper 2-3 sacral segments iliac crest lower 3 or 4 ribs |
| deltoid | lateral anterior 1/3 of distal clavicle lateral border or the acromion scapular spine |
| pectoralis major | medial 1/3 or clavicle anterior aspect of manubrium & length of body of sternum cartilaginous attachments of upper 6 ribs external oblique's aponeurosis |
| pectoralis minor | outer surface of ribs 2-5 or 3-5 or 6 |
| biceps brachii | long head-supraglenoid tubercle and glenohumeral labrum short head-tip of the coracoid process of the scapula |
| triceps brachii | long head-infraglenoid tubercle of the scapula lateral head-upper half of the posterior surface of the shaft of the humerus, and the upper part of the lateral intermuscular septum medial head-posterior shaft of humerus, distal to radial groove |
| abductor pollicis longus | posterior surfaces of ulna and radius interosseous membrane antebrachial fascia |
| gluteus maximus | outer rim of ilium (medial aspect) dorsal surface of sacrum and coccyx sacrotuberous ligament |
| biceps femoris | long head-ischial tuberosity short head-lateral lip of linea aspera and the lateral intermuscular septum |
| gracilis | body of pubis & inferior pubic ramus |
| sartorius | anterior superior iliac spine (ASIS) |
| vastus lateralis | greater trochanter lateral lip of linea aspera lateral intermuscular septum |
| gastrocnemuis | medial head-just aboe medial condyle of femur lateral head-just above lateral condyle of femur |
Created by:
sarahanatomy
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