Muscle that can extend the middle distal phalanx of the index finger include all except
The first dorsal inter interosseous
The first lumbrical
The second palmar interosseous
Extensor carpi radialis longus
Extensor carpi radialis Origin: lower 1/3 rd of lateral supracondylar ridge of humerus Inseion: posterior surface of base of second metacarpal bone. Action: extends and abducts hand at the wrist joint.
Upper limb