BIOL 030 Lecture Notes - Lecture 22: Flexor Carpi Radialis Muscle, Dermatome (Anatomy), Thenar Eminence
16 Sep 2020
School
Department
Course
Professor
Document Summary
Superficial palmar arch a little more distal than deep palmar arch. Ulnar artery superficial palmar arch common palmar digital arteries (single in the middle) Proper palmar digital arteries (two on sides) Deep palmar arch proximal to superficial palmar arch. Mainly supplied by radial artery (which is on the thumb side) Deep palmar arch palmar metacarpal arteries proper palmar digital arteries. Superficial branch of radial nerve sensory only in hand. Deep branch of ulnar motor to intrinsic hand muscles. Recurrent branch of median supplies thenar muscles. C7 palmar tip of index finger. Flexor retinaculum covers palmar area containing tendons and nerves. Connects to scaphoid (1), pisiform (4), trapezium (5) and hamate (8) 4 tendons of flexor digitorum superficialis superficial. 4 tendons of flexor digitorum profundus deeper. Median nerve thumb side near surface (except digital branch) Tendon of flexor pollicis longus thumb side deeper than median. Other tunnels not part of carpal tunnel.
