The FCU is mainly an ulnar deviator. The 8 electronic flexors are divided in superficial and deep groups. Combined with the flexor pollicis longus, which inserts at the thumb distal phalanx, they go through the carpal tunnel to offer flexion in the interphalangeal joints. A common fracture with the hand https://bsearchblog.com/en/elevate-your-leathercraft-with-our-bag-making-hand-press-and-dies