A good exercise for building up leg strength quickly. Place your back firmly into a wall, with your legs at 90 degrees or more. Avoid coming down too low, as this puts excessive strain on your joints. Hold for as long as possible, however make sure you can get back up. A chair close by can be handy to help push you up. A variation of this exercise is to lower and rise without resting. Make sure your feet are firmly on the floor, as you may find that they slide forward. Your feet should be shoulder width apart, and can either face forward, or be pointing out at a 45-degree angle.
BEGINNERS Aim for 30 seconds & repeat twice INTERMEDIATE Aim for 45 seconds and repeat twice ADVANCED Aim for 60 seconds and repeat twice Tutorial provided by netfit 
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