Trunk muscle endurance, hip muscle strength (dynamometer) and gait speed were evaluated.
测量躯干肌耐力、臀肌力量（测力计）及步行速度。
The trunk spoiler is a prototype design engineered for high - speed down - force.
主干导流板是一个原型设计的高速向下力工程。
The trunk spoiler is a prototype design engineered for high - speed down - force.
主干导流板是一个原型设计的高速向下力工程。
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