Isometric exercise helps to build muscle without __________.


  1. Changing muscle length
  2. Calorie expenditure
  3. Active effort
  4. Muscle fiber contraction
  1. Changing muscle length is the correct answer.



Isometric exercise is a type of exercise that builds muscle strength. In this exercise, the muscle length and angle do not alter throughout the operation of muscle contraction throughout training. Many calories can be expended if the exercise is done with deliberate effort. Isometric exercises are performed in static positions, with no active range of motion. Because isometric exercises are performed in a fixed position with no movement, they increase strength in a single position.

The muscle fires (or stimulates with force and strain) during an isometric muscle decrease.


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