How does muscle make movement?


Asked by keshavjeevats | 5th Oct, 2020, 07:55: PM

Expert Answer:

When an impulse reaches the muscle fibres of a motor unit, it stimulates a reaction in each sarcomere between the actin and myosin filaments. This reaction results in the start of a contraction and the sliding filament theory. Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. 

Answered by Sheetal Kolte | 6th Oct, 2020, 11:25: AM