Which of the following best describes flexibility?

Flexibility is defined as the range of motion around a joint. This means it refers to how far a joint can move in various directions, which is influenced by the length and elasticity of the muscles, tendons, and connective tissues surrounding that joint. Greater flexibility allows for a wider range of motion, which is essential in many physical activities and sports, helping to prevent injuries and improve performance.

The other options describe different physical fitness components. Maintaining body weight relates to body composition rather than flexibility. The speed of movement is more about agility and can depend on various factors including muscle power and coordination. Lastly, muscle strength focuses on the amount of force a muscle can produce, which is distinct from how far or easily a joint can move. Understanding these definitions helps clarify how flexibility contributes to overall physical fitness and performance.