Hand Ligaments (2) Flashcards
1
Q
What is the purpose of the phalanges ligaments?
A
Limit extension and side movement
2
Q
What is the mechanism of injury of the phalanges ligaments?
A
Traumatic (not often seen in PT)
3
Q
What type of tests are done for the phalanges ligaments?
A
Basic varus and valgus stress tests
Compare laxity side to side
4
Q
What does the volar plate protect from in the hand?
A
Hyper extension
5
Q
What is the mechanism of injury of an acute UCL laxity at the MCP?
A
Foosh with thumb abduction
6
Q
What causes someone to have a chronic UCL laxity at the MCP?
A
Arthritis at the CMC joint
7
Q
What is thenar contraction?
A
Chronic stress to MCP volar plate and UCL
8
Q
What results in a repetitive UCL laxity at the MCP?
A
Repetitive valgus forces
