Muscles : Quadriceps, gluteus maximus.
What you need to do: This exercise is a variation of the classic knee flexion named: squat. It is made with a set of two small dumbbells.
Stand with feet shoulder width apart basin, a dumbbell in each hand, arms
hanging along the body.
Bend your knees and buttocks down to the ground. Your heel should not lift off the ground during the descent. When your thighs are parallel to floor, slowly return to the starting position with the strength of your thighs and glutes. Flexibility in working smoothly. To keep your back straight when performing this exercise, look ahead (do not look at your feet).
Precautions: For people with knee problems, it is advisable not to go too low: when the thighs are parallel to the floor, ascend slowly.