isometrics

名词 isometrics:

1. muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change)
   同义词：isometric exercise

名词 isometric:

1. a line connecting isometric points
   同义词：isometric line, isometric

i.so.met.rics

n.(used with a sing. or pl. verb)（名词）（与单数或复数动词连用）
Exercise or a system of exercises in which isometric muscular contraction is used to strengthen and tone muscles, performed by the exertion of effort against resistance, usually of a stationary object.
静力锻炼法：应用等长度的肌肉收缩来增强肌肉的锻炼或一套锻炼法，通常是对由一个静止物体产生的阻力进行训练