click below
click below
Normal Size Small Size show me how
Stack #60669, week 4
Stack #60669, week 4 muscles
| muscle | origin | insertion | action | nerve |
|---|---|---|---|---|
| Iliocostalis cervicis | superior 6 ribs | transverse processes fo C4-C6 | Acting together, muscles of each region extend and maintain erect posture of vertebral column of that region, acting singly, laterally flex vertebral column of their respective regions | cervical and thoracic spinal nerves |
| iliocostalis thoracis | inferior 6 ribs | superior 6 ribs | Acting together, muscles of each region extend and maintain erect posture of vertebral column of that region, acting singly, laterally flex vertebral column of their respective regions | thoracic spinal nerves |
| iliocostalis lumborum | iliac drest | inferior 6 ribs | Acting together, muscles of each region extend and maintain erect posture of vertebral column of that region, acting singly, laterally flex vertebral column of their respective regions | lumbar spinal nerves |
| Flexor carpi Radialis | medial epicondyle of humerus | 2nd and 3rd metacarpals | flexes and ABDUCTS hand, (radial deviation) at wrist | median nerve |
| extensor carpi radialis longus | lateral supracondylar ridge of humerus | 2nd metacarpal | extends and ABDUCTS hand at wrist | radial nerve |