Knee Function. The main function of your hamstrings is to bend your knees. This movement is performed during daily activities such as walking, running, climbing stairs and jumping. Your hamstrings also help rotate your lower leg. Two hamstrings attached to the inside of your knee rotate your lower leg inward.
Life Span The lifespan of a veiled chameleon may be up to five years for females and up to eight years for males. Status They are not listed on the IUCN Red List of Threatened Species. The veiled chameleon is the most commonly bred and available species of its genus in the pet trade.
The short but spectacular life cycle of the Labord's chameleon has been filmed by BBC documentary makers. The lizards live for no more than five months after hatching. They then grow rapidly until they reach maturity, when adult females develop vibrant colours to attract a mate before laying eggs and dying.