You are at the gym with a friend who complains that she cann

You are at the gym with a friend who complains that she cannot l on the old machine. You examine the machine and note that the s muscles in a stretched position. How does this explain her seemin 6 How does the structure of cardiac myocytes and intercalated disks the heart?

Solution

5). Length-force relationship: Muscles exert most force when they are at their ideal length or at resting length. The force generated decreases with increase stretch in the muscle fibres.

It is given that the muscles are already in stretched position, means, they can only stretch a little to produce the necessary contraction. As she can only produce little contraction, she is able to lift little weight.