Muscles with hand and wrist
How many annular/cruciate
5/3
Intrinsic Plus Position
90 MP flexion PIP & DIP extension
FDP acts where?
Distally
ONLY m. capable of extending MCP joint
EDC
Primary Dorsal M.
EDC ECU ECRL ECRB
3 extrinsic finger flexors
EDC EI EDM
Extensor Hood Muscles
EDC Lumbricals Interossei
Secondary Dorsal M.
EI EPL EPB EDM Abd. PL
Primary Volar M.
FCR Palmaris Longus FCU
Secondary Volar M.
FDP FDS FPL
Opponens Digiti Minimi acts on
MCP
Intrinsic Minus Position
MP Hyperextension PIP flexion
FDS acts where?
Proximally
Terminal Tendon attaches
base of distal phalanx
Central Tendon attaches
base of middle phalanx
What connects MCP joints and stabilizes volar plates?
sagittal bands and deep transverse ligaments