Answer:
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Caused by: the differences in the concentration of ions inside and outside the cell.
A torn anterior cruciate ligament infers that the connecting tissue between the thigh and shin bone has experienced a tear, and will result in an extended range of motion of the knee usually called hyperextension.
- The thighbone and shin bone are held together at the knee by the tissue called the anterior cruciate ligament.
- This means that the range of motion of the knee is regulated by the anterior cruciate ligament, enabling us to balance these bones at the knee point.
- Damage to this holding tissue will mean that the thigh and shin bone are no longer in place, causing an unbalanced and extended range of motion at the knee.
- Major damage to the anterior cruciate ligament will usually require a surgery.
Therefore, the range of motion of the knee becomes extended once the a tear occurs to the anterior cruciate ligament.
Learn more : brainly.com/question/24938093
The answer is isometric contraction. Isometric contractions generate force without changing the length of the muscle.
Hope this helps! :)