ORIGIN

Ulnar head: medial epicondyle of the humerus via the common flexor tendon, medial border of the base of the coronoid process of the ulna, and ulnar collateral ligament
Radial head: oblique line of the radius along its supero-anterior border
 

INSERTION

Volar surface of the base of each middle phalanx of the four digits

 

ACTION

Flexion of the digits, Flexion of the wrist

 

INNERVATION

Median nerve (C7, C8, T1)

 

PRIMARY JOINT

Wrist joint

 

KEY STRENGTH TRAINING EXERCISES

Wrist flexion using dumbbell

 

NEW STRENGTH TRAINING EXERCISES

Wrist flexor stretch

gripping/squeezing object

 

COMMON INJURIES

Straining/stiffness

Tear