Final answer:
It's good advantage for muscle to efficiently undergo cross bridge cycle to achieve a constant force and permit continuous shortening
Step-by-step explanation:
The cross-bridge cycle refers to the interaction between actin and myosin filaments within the muscle fibers. When a muscle contracts, the myosin heads (cross-bridges) attach to the actin filaments and undergo a series of conformational changes, resulting in the sliding of actin filaments over myosin filaments and muscle shortening.
Efficiently undergoing the cross-bridge cycle allows the muscle to generate and maintain a constant force during contraction. This is important for tasks that require sustained muscle contractions, such as maintaining posture or performing repetitive movements. It ensures that the muscle can sustain its force production without fatigue.
Furthermore, efficient cross-bridge cycling enables continuous shortening of the muscle. This is crucial for various activities, including walking, running, and performing exercises. It allows the muscle to produce the desired movement by continuously shortening and generating force.