雪季结束了，再把个脉呗

楼主

发表于 2013-4-13 05:21:48 | 显示全部楼层

1. no helm no good
2. too much upper body involvement (twist to initiate turns, and
3. a bit leaning back
4. need more flex at knee

学习了发表于 2013-4-13 12:10

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