anterior_forearm_Intermed/Deep groups Flashcards
Flexor digitorum superficialis - ORIGIN
Medial humeral epicondyle, ulna; radius
Flexor digitorum superficialis - INSERTION
MIddle phalanges of 2nd-5th digits by tendon that splits into two slips
Flexor digitorum superficialis [Humeroulnar head + Radial head] ACTION
Flexes hand at wrist and digits at metacarpophalangeal (MP) and proximal interphalangeal (PIP) joints
Flexor digitorum superficialis [Humeroulnar head + Radial head] NERVE
Median
Flexor pollicis longus ORIGIN
Radius
Flexor pollicis longus INSERTION
Distal phalanx of thumb
Flexor pollicis longus ACTION
Flexes metacarpophalangeal joint and interphalangeal joint of thumb
Flexor pollicis longus NERVE
Median via anterior interosseous branch
Flexor digitorum profundus ORIGIN
Ulna
Flexor digitorum profundus INSERTION
Distal phalanges of 2nd, 3rd, 4th, 5th digits. Each tendon passes through bifurcation of tendon of flexor digitorum superficialis
Flexor digitorum profundus ACTION
Flexes hand at wrist and all phalanges of digits 2-5 (MP, PIP and DIP joints)
Flexor digitorum profundus NERVE
Median (anterior interosseous branch) of lateral half of muscle and ulnar to medial half of muscle
Pronator quadratus ORIGIN
Distal ulna
Pronator quadratus INSERTION
Distal radius
Pronator quadratus ACTION
Pronates hand by pronating forearm