How it Happens

• Quadriceps tendonitis occurs when excessive strain is placed on the knee or leg, causing small tears in the tendon. Symptoms include pain, swelling, stiffness and warmth in the knee and surrounding area.
  
  

Strengthening Exercises

• Strengthening exercises will help treat a strain such as quadriceps tendonitis, according to Peak Orthopedics. One of the best strengthening exercises for the quad, according to Wellsphere.com, is the squat: Place feet flat on the floor, hip-width apart, and lower your body as if you are sitting in a chair, keeping your back straight and your legs at a 90-degree angle.
  
  

Flexibility Exercises

• Stretching the quad muscles will help increase their flexibility, and it is an important part of healing quadriceps tendonitis. Flexibility exercises will maximize the control and strength of the quadriceps muscles, according to Peak Orthopedics. These exercises include knee lifts and jumping rope.
  
  

Warning

• If you experience quadriceps tendonitis, it is best to rest the tendon for four to six weeks before exercising it, according to iTendonitis. When you do begin to exercise, start with easy to moderate activity and ease into your workout.
  
  

Prevention

• To prevent quadriceps tendonitis, make sure you stretch and warm up before exercising, and don't overexert yourself during strenuous exercise or activity. A knee brace and supportive footwear will also help.