Exercises that involve the lengthening and shortening of a muscle as it moves are BICEPS CURL.
What is muscle movement?
The movement of muscle is done by changing the length in various ways.
For example, the bicep curl muscle will contract as the arm is lifted, but in this case, the triceps relaxes and lengthens.
- Concentric – the shortening of a muscle.
- Eccentric – the lengthening of a muscle.
- Isometric – when a muscle is tensed but there’s no movement in the joint action.
- Agonists and antagonists are muscles that work in pairs, with one shortening as the other lengthens.
- There is more power in a muscle that is lengthening than one that is shortening.
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