To solve the problem, we need to define flexibility and explain various methods to improve flexibility, specifically for a gymnast who requires a high range of motion in joints and muscles.
1. Definition of Flexibility:
Flexibility is the ability of a joint or group of joints to move through their complete range of motion without pain or restriction. It depends on the elasticity of muscles, tendons, and ligaments surrounding the joint.
For gymnasts, flexibility is crucial for performing movements like splits, backbends, leaps, and tumbling with ease, grace, and injury prevention.
2. Methods to Improve Flexibility for a Gymnast:
Final Answer:
Flexibility is the ability of a joint to move freely through its full range of motion. For gymnasts, flexibility can be improved through methods such as static and dynamic stretching, PNF techniques, yoga, and consistent warm-up and training routines—helping enhance performance and reduce injury risk.
The graph shows the variation of current with voltage for a p-n junction diode. Estimate the dynamic resistance of the diode at \( V = -0.6 \) V.