Antimicrobial: This boat flooring is resistant to mold and mildew, an essential characteristic in a marine environment. UV stable: LWV is fade-resistant, so it keeps on looking gorgeous. Durable: The special vinyl backing is rated for heavy traffic, and the surface can easily withstand scrubbing with a deck brush.
The hamstring muscles actively bend (flex) the knee. They also act to straighten or (extend) the hip (as in the motion of moving the thigh backward). Surprisingly, these large muscles are not very active with normal walking or standing. However, they are extremely important in power activities such as running, jumping, and climbing.
The three muscles that make up the hamstrings muscle group -- the biceps femoris, semimembranosus and semitendinosus -- are also active when you perform squats.hoto Credit Ibrakovic/iStock/Getty Images. The squat is a classic, multi-joint exercise that targets a variety of muscle groups throughout your body, emphasizing those that extend your hip and knee joints.