What muscles tests:
C5
Delts
What muscles tests:
C4
upper traps
What muscles tests:
L2
Hip flexors
What muscles tests:
T1
Interossei
What muscles tests:
L4
ant tib (inversion)
What muscles tests:
C6
Biceps
What muscles tests:
L3
quads
What muscles tests:
S1
Peroneals (eversion)
What muscles tests:
L5
Big toe extensor
What muscles tests:
C7
Triceps