Hanging knee raises. Chinup bar required. (Video.)

悬垂屈膝举腿。需引体向上杠杆。(视频)。

youdao

Based on analyzing the knee joints of the four bar linkage, this paper presents the concepts of the stable well off angle, absolute and relative instantaneous distance.

对多轴膝关节进行了分析，提出了承重稳定裕度角、全伸展位绝对瞬心距和相对瞬心距的概念，用于评价下肢假肢的稳定性和相对稳定性。

youdao

An intelligent prosthetic limb knee joint with a cylinder stationary type four-bar mechanism belongs to the fields of biological medicine engineering and rehabilitation assistant devices.

一种气缸固定式四杆机构智能假肢膝关节，属于生物医学工程和康复辅具技术领域。

youdao

The Croat ghosted into the six-yard box to meet Elano's whipped free-kick but the ball bounced up off his knee and flew over the bar.

BBC: Reading 2-0 Man City

Tagizade's cross was met strongly by Imamaliyev six yards from goal, only for Jones to spread-eagle himself and deflect the ball over the bar with his knee.

BBC: SPORT | Football | Internationals | Wales 2-0 Azerbaijan

However, they would and should have been behind in the 25th minute when Clinton Morrison got into a great position in the box, but somehow managed to knee the ball over the bar from a yard out.

BBC: Sport - Football - Sheffield Weds 4-1 Hereford