Jo Konta is the first British woman since Jo Durie to reach a quarter final. The 24-year-old was born in Sydney but became British in 2012. She is set to burst onto the British tennis scene after winning in Australia.
Lunges work the hamstring muscles when you step forward and backward. When stepping forward, the front hip and knee flex as your weight is transferred onto that leg. The hamstrings work to resist the downward pull of gravity, known as an eccentric contraction. They also help stabilize the knee.
Some of the variations use for the Lunge: The lunge is a weight training exercise that is use to strengthen and build the qu adriceps (thighs), glutes (butt) and muscles comprising the hamstrings, the semitendinosu s, the semimembranosus, and biceps femoris.our stance in this exercise will determine what muscles are used. The longer the step, the more the hamstrings will be used, and the shorter the step, the more quads will be used. The glutes however, will get a great workout with most variations of the lunge.