Table 1:
Indications and Contraindications of Stance-Control Knee–Ankle–Foot Orthoses
| Indications | Contraindications |
|---|---|
| Able to fully stabilize the torso and stand freely | Knee or hip flexion contraction > 10 degrees |
| Muscle strength of hip extensors and flexors must permit the controlled swing-through of the affected leg | Genu varum or valguma > 10 degrees |
| Hip muscle strength or compensatory motion must be possible to advance limb | Bilateral user: hip abductor strength 0–3b |
| Successful evaluation with diagnostic trial tool | Leg length discrepancy ≥ 6 inches (15 cm) Body weight > 275 pounds |
a
Genu varum is characterized by outward bowing of the knee (bow-legged). Genu valgum is a condition in which the knees angle in and touch each other when the legs are straightened (knock-knee).
b
Rated on a 0–5 scale, with 0 representing no muscle contraction and 5 representing typical strength.