During the transition from the squat position to a vertical jump, the athlete's thigh undergoes extension, moving from a flexed position to an extended position. This extension of the thigh is facilitated by the contraction of the quadriceps muscles, which helps generate upward force and propel the body into the jump.
In the sequence from the squat position to a vertical jump, the movement of the athlete's thigh involves a transition from a flexed position to an extended position. As the athlete pushes off from the squatting position to initiate the jump, the thigh moves from a bent or flexed position to a straightened or extended position.
The extension of the thigh is primarily achieved through the contraction of the quadriceps muscles. The quadriceps femoris is a group of muscles located at the front of the thigh, consisting of the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. When these muscles contract, they generate force and contribute to the extension of the knee joint and the movement of the thigh from a flexed to an extended position.
During the vertical jump, the extension of the thigh is important for generating upward force and propelling the body into the air. As the thigh extends, the muscles involved in hip extension, such as the gluteus maximus and the hamstrings, also contribute to the overall power and force production of the jump.
In summary, during the transition from the squat position to a vertical jump, the athlete's thigh moves from a flexed position to an extended position. This extension is facilitated by the contraction of the quadriceps muscles, generating upward force and contributing to the power and propulsion of the jump.
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