Her leg was bent at an unnatural angle.

她的腿弯曲的角度反常。

《牛津词典》

If your foot is at a right Angle to your outstretched leg and does not dangle, you have a low ankle-joint axis and will be more comfortable in flat shoes than in high heels.

如果你的脚和你伸直的腿成直角，且没有晃荡，那么说明你有一个较低的踝关节，你穿平底鞋会比穿高跟鞋更舒适。

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Lie on the bed and lift your leg at the Angle of 45 degree, then bent your knees slowly and then return to the original position. Repeat this move for 100 times.

平躺在床上，提起腿到45角位置，再慢慢地弯曲膝盖，然后恢复到最初的平躺状态，这样是1轮，重复这个运动100次。

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Ware's right leg bent in such an awkward and frightening angle that CBS stopped showing replays shortly after the fall in the NCAA tournament matchup against Duke.

NPR: Louisville's Ware Breaks Leg In Tourney Game

Ware's leg buckled when he landed, bending almost at a right angle.

NPR: Louisville's Ware Breaks Leg In Tourney Game

When he landed, his right leg snapped midway between his ankle and knee, the bone skewing almost at a right angle.

NPR: Louisville Beats Duke 85-63 To Reach Final Four