Based on the evaluation indices and the function description method, the pointing movement quality of human upper limb was evaluated and the joints angles were fitted.

利用运动质量评定指标和函数描述方法对人体上肢触点运动进行了运动质量评定和关节角度的函数拟合。

youdao

Worn over the legs with a harness that reaches up the back and around the shoulders, X1 has 10 degrees of freedom, or joints -- four motorized joints at the hips and the knees, and six passive joints that allow for sidestepping, turning and pointing, and flexing a foot.

ENGADGET: NASA and IHMC building X1 exoskeleton to give us a lift, keep us fit in space and on Earth