this exercise helps to improve Your Quadriceps. With this exercise, sitting tall with a good posture is very necessary. Try to lean against a wall with your back , shoulders, and buttocks, if you find yourself rounded forward. Equipment you need: mat, wall, and ankle weights (optional for Resistence training). Muscles Used: quadriceps Group of Muscle How to Perform Knee Extension Exercise? Sit down on the floor with a tall posture. Your shoulders should be pulled down your back with your chest. Sit High so that your knee remains flexed in starting position. Breath out, Without fail losing posture or leaning away from wall, lift the Leg up in the air as high as you can. you can Hold the Knee in extended position if you want to get good result for at least on count of 10. Inhale and slowly flex your knee down to starting position. do not slam or perform this exercise quickly. slow and rhythmic Exercise will give good Results. For initial phase do 10 Repetitions w...