Why would an athlete training with the Triphasic Model likely see an improvement in their vertical jump? Group of answer choices It decreases the sensitivity of the muscle spindles, preventing over-stretching. It focuses on isolating concentric power without an eccentric pre-load. It trains the neuromuscular system to more effectively use the Stretch-Shortening Cycle. It primarily increases the density of mitochondria in slow-twitch fibers.
Added by Kelly B.
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Step 1: Understand what the Triphasic Model trains—it's designed to optimize the neuromuscular processes involved in the stretch-shortening cycle (SSC) by emphasizing phases of eccentric, amortization, and concentric contractions. Show more…
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Write a 250-word essay response to the following question. (USE YOUR OWN WORDS) Describe the stretch-shortening cycle and how it relates to exercise. The stretch-shortening cycle is a concept in exercise physiology that refers to the combination of an eccentric contraction followed immediately by a concentric contraction. This cycle is commonly observed in activities that require explosive movements, such as jumping, sprinting, and throwing. During the eccentric phase of the cycle, the muscle lengthens under tension. This occurs when the muscle is stretched, such as when landing from a jump or lowering a weight during a bicep curl. The stored elastic energy in the muscle and tendons during this phase is then used to enhance the subsequent concentric contraction. The concentric phase of the cycle is when the muscle shortens and generates force. This occurs when the muscle contracts, such as when jumping off the ground or lifting a weight during a bicep curl. The stored elastic energy from the eccentric phase is released, resulting in a more powerful and explosive movement. The stretch-shortening cycle is important in exercise as it allows for greater force production and power output. By utilizing the stored elastic energy, the muscles are able to generate more force and produce faster movements. This is beneficial for athletes in sports that require explosive actions, such as basketball players jumping for a rebound or sprinters accelerating off the starting blocks. In conclusion, the stretch-shortening cycle is a fundamental concept in exercise physiology that involves the combination of eccentric and concentric contractions. It allows for greater force production and power output, making it essential for activities that require explosive movements.
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