Hip adduction w/ external rotation shows the ability of the hip to adduct and externaly rotate, which is essential for hip function and gives an indication of adductor muscle activation.
To perform this assessment:
- From a lying position, move left leg in line with the midline ofthe body (adduction)
- Rotate left foot/knee outward as far as possible and hold for a second
- Repeat on right side and compare the motion between sides
