The role of LLD on standing posture/ balance:
Check for specific compensation used by the patient to level out the difference in height.
Pronation in the ankle of the longer leg
Supination or plantar flexion in the shorter leg
Knee and hip extension of the shorter or flexion in the longer leg
If the leg is left uncompensated, the anterior and posterior iliac spine on the side of the short leg can be lower which may result in a sacral base unleveling and/or scoliosis.
Increased muscle activity in several muscle groups