A sit up is an eccentric muscle contraction.
eccentric and concentric contractions
Different types of muscle contractions
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isotonic concentric eccentric isometric
iswear down dont know it :-D
Isotonic contractions involve muscle actions where the muscle length changes as it contracts against a constant load. There are two types: concentric contractions (shortening of the muscle during contraction) and eccentric contractions (lengthening of the muscle during contraction).
How many different types of musclesare there in the human body? How many different types of musclesare there in the human body?
contractions
Uhh, no uncontrolled muscle contraction occurs in smooth and cardiac muscles... there are many differences between these two types of muscles; controlled and uncontrolled muscle contraction.....
contractions come after non-contractions: Aunts Aunt's
well it only happens if you are doing something wrong with the baby or its contractions.
Isometric contractions are static contractions during which muscle fibres do not change length. There is no movement of the joint to which the muscle is attached but energy is expended resisting a force that does not move. for example when you put your hands up for a long time.