What are commonly used suspension systems for BKAs?
Answers:
1. Supracondylar cuff suspension socket: cuff wraps around thigh.
2. Supracondylar or suprapatellar brim suspension: used with short stumps.
3. Rubber or neoprene sleeve: need longer stump and stable knee, may cause perspiration.
4. Silicone suction suspension: has attached distal pin or ring, good suspension and skin protection, expensive.
5. Thigh corset: use if patellar tendon can't tolerate WBing or knee unstable.
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