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Submitted by fmillanaj on Fri, 10/26/2018 - 12:34

Isometric contractions are contractions in which that generate force without altering the length of the muscle. These muscles are common in body parts that are responsible for grips, such as your hands and forearms. These muscles are also prominent in maintaining posture. You experience isometric contractions when you are trying to lift items that are too heavy for you, leading to the object not being lifted. In this case, the maximum force a muscle can generate has been reached. In contrast, isotonic contractions do involve shortening. Force is generated by isotonic contractions by the change of length of muscles. These isotonic contractions can either be eccentric (the muscle lengthens) or concentric (the muscle shortens). With isotonic contractions, you are able to lift the object that you are attempting to lift, unlike isometric contractions. 

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Comments

Your first sentence says "in which that generate force" which does not make sense with what follows. It may be that you just forgot to delete a part of the sentence when writing it because both "are contractions which generate force" and "are contractions that generate force" work fine.

sbrownstein

Thu, 11/01/2018 - 12:01

Informative paragraph refering the anatomy and physicology muscle contractions. The only suggestion I can make is to reword some long sentences and correct grammatical errors. Otherwise, great job.