Q.Which of the following factors does not influence flexibility? i. Structure of joints ii. Proper warming-up iii. Body temperature iv. None of these

Flexibility is the range of movement available at a joint or a series of joints. Good flexibility lets an athlete move efficiently through a full range, improves performance and reduces the risk of injury.

Types of flexibility:

• Active flexibility — the range a person can reach using their own muscle effort (e.g. raising and holding the leg high without support). Passive flexibility — the (larger) range reached with an outside help such as a partner or gravity.
• Static flexibility — range available when the body is still (holding a stretch). Dynamic flexibility — range usable while moving, as in a sprinter's stride. …