Most of the people ignore their knee pain and it is most common ailment of the body. People ignore it thinking that they walked a few extra miles or they were standing for a long time in a queue or in the work, but they are not aware of the problem they are going to face in future. Knee is the most complicated joint. The weight of the entire body while bending, twisting, rotating functions and straightening is born by knee joint.
When you have knee pain and you are still doing all your works and bending and lifting then all these activities increases the risk of knee injury. Overworking by knees is also one of the causes of knee injury. Gradually these joint pains get worsen over time, when muscles and tendons are overstretched microscopic tears occur and they shape up into severe injury.
Wall squat is a simple quad exercise for runners; one of the safest, easiest and recommended exercise is the quadriceps strengthening contraction. It is important to note that the most feasible way of protecting your knee from injury is by developing and strengthening the muscles around the knee.