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The key to protect the knees from pain or injury is to strengthen the muscles that support the knee. If the muscles are weak they cannot support the knee joint properly or absorb shock. Then, such shocks reach the knee and injure it. Quadriceps and hamstrings are the major muscle groups that affect the knee stability and motion. Quadriceps are related to straightening of the knees and movement of the kneecap. Hamstrings are related to bending of the knees and while pushing against a surface. Thus, strengthening exercises of these muscles are the knee strengthening exercises. Precede these by a 5 minutes warming-up of low-impact aerobics to raise the blood supply to the muscles.
Quadriceps knee strengthening exercises
Quadriceps refers to a four-part muscle that exists at the front of the thigh and the front of the shinbone, below the knee. Three exercises pertaining to it are described below.
Quadriceps strengthening contractions
sit on a chair and extend legs
heels must touch floor and knees must be straight
tighten the thigh muscles and retain the state for a count of 10
loosen the thigh muscles and retain the state for a count of 3
perform 10 repetitions to complete 1 set
perform 2 or 3 sets, many times in a day
Quadriceps strengthening leg lifts
lie with the back on the floor
bend the left knee at an angle of ninety degrees with the foot flat on the floor
straighten the right leg and move it upwards till it reaches the height of the left knee
retain the position of both the legs for a count of 3
lower the right leg
this procedure is to be repeated 10 times
switch the legs
increase upto 10 repetitions after some weeks
Quadriceps strengthening knee dips
stand with the knees a little bent
the toes and kneecaps must point straight ahead
lift one leg and balance on the other
move down and up by a few inches only
the knees must point straight forward and not inward
the body should be vertical and not turned to any side
perform 10 dips for each leg
if knees experience pain, decrease the number of dips
Hamstrings knee strengthening exercises
Hamstrings are located at the back of the thigh and the back of the shinbone, below the knee. Two exercises related to it are described below.
Hamstrings strengthening contractions
sit on a chair with heels on floor
without moving heels pull back on them ¨C tension will be felt in the hamstrings
retain the state for a count of 10
loosen the tension for a count of 3
perform 10 repetitions
Hamstrings strengthening curls
lie with the stomach on the floor
place the left foot on the back of the right heel
pull the right heel towards the buttocks ¨C resist this motion with left leg
this opposite movement contracts the hamstrings
hold the contraction for a count of 10 and then release for a count of 3
perform 10 repetitions
When a person walks backwards, the body weight is distributed more evenly. This causes less stress on the knees and develops the hamstrings.
Other knee strengthening exercises
The exercise is called Glutes strengthening backward leg swing.
grip the back of a chair for support
straighten any one leg and swing it backwards till the buttocks tighten
tense the muscles to a maximum and swing leg further by about two inches
return leg to floor and perform 10 repetitions
By Abhay Burande
repeat same procedure with other leg
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