MCP Flexion normal range
90-100 degrees
MCP Extension normal range
20-45 degrees
MCP ABD normal range
None
PIP flexion normal range
100-105 degrees
PIP extension normal range
0 degrees
DIP flexion normal range
70-90 degrees
DIP extension normal range
0 degrees
How many bones in the hand? Muscles? Unique joint articulations?
29, 37, 38
How many fascial planes in palmar and dorsal layering?
9
How many unique functional hand postures in 160-180 degrees sup/pro and wrist ext/flex?
76
What motions does MCP do?
Flex/ext and abd/add
What motions does PIP and DIP do?
Flex/ext
What are 5 common hand injuries?
Fractures (Boxer’s, Avulsion)
Carpal Tunnel Release
Trigger Finger
DeQuarvain’s Tenosynovitis
Nerve Entrapment