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you have then stretched your tendon / muscle beyond the normal range .
Force produced is reduced, when the muscle is over-stretched or under-stretched it is weaker. Most muscles will produce max force at roughly 90 degrees.
boo boo strain
muscle
A strain is a torn or stretched muscle or tendon.
No , a muscle may be stretched with out movement .
A muscle pull happens when muscles are overworked or over stretched
H zone
wave summation results and muscle twitches overlap.
The zone of overlap is the point where actin myofilaments overlay the myosin myofilaments as it (actin) gets pulled towards the m-line (mid-point of sarcomere). The zone of overlap increases during muscle contraction, resulting in the shortening of the muscle.
the Ia fibres of the muscle spindles
LENGTHENED