Answer:
This usually occurs as a result of fatigue, overuse, or improper use of a muscle.
Strains can happen in any muscle, but they're most common in your lower back, neck, shoulder, and hamstring, which is the muscle behind your thigh.
A muscle strain, or pulled muscle, occurs when your muscle is overstretched or torn.
When you flex your muscles you are contracting them. When your muscle fibers gain tension through Actin and Myosin crossbridge cycling they may shorten due to the tension. This is called muscle contraction
The answer is false! Hope this helps!
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