They had attachments for powerful muscles, as well as functional ankle joints and complex locking mechanisms in the knee.
他们还有其他辅助物，比如发达肌肉，踝关节功能，膝盖的复杂锁定机制。
Next, torque your knee inwards (towards the crack), twisting the shoe and locking it into place.
接下来，向内转动膝盖（向着裂缝的方向），同时扭转岩鞋，直至卡死在岩缝里。
Pain on the outside of your knee (not usually accompanied by swelling or locking).
膝盖外侧疼痛(但是通常并不伴有肿胀或僵硬)。
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