A lopsided workout plan can also be hard on the knees. When fitness walking, some muscles are overused, while others are not used at all, says John Jay Wooldridge, Reebok master trainer. The imbalance can stress the related joints. But don't get the idea that knee problems are inevitable...
过度紧张 overtense训练过度 overtrain同时完成 finish at the same time保持平衡 keep (body) balance握拳姿势 fist form用劲方法 methods of applying force地趟技法 floor skill充分伸展 fully extended掌心向内 palm facing in掌心向外 palm facing out拳眼向上 the eye of the fist facing up拳眼向下 the eye...
For many people, squats can actually reduce knee pain over time. If their doctor gives them the go-ahead, work slowly with these clients. Start with a small range of motion and no weights to build strength and mobility. The Personal Trainer’s Role in Knee Pain Prevention ...