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...
look forward Keep chest up Reach hips back and lower down to parallel Knees and toes align Keep back straight Keep core tight Exhale on up/exertion NO NO’s DO NOT let knees go past toes. DO NOT let knees fall inside or outside of ankles DO NOT ...
Running does not increase your risk of developing osteoarthritis in your knees, but you do need strong legs to stay healthy.