The quadriceps are a four part powerful muscle group, which are located in front of the thigh. They originate on the hip bone and are attached to the front of the tibia, just below the knee.
The main function of the quadriceps is to control straightening of the knees and movement of the patella. They are used to extend the leg, and are essential for standing up, walking upstairs and uphill, and running.
Knee Extension Exercise
- Sit on a chair with knees bent at a 90 degree angle.
- Maintain a neutral spine and make sure that the lower back is supported against the chair.
Extend both legs, heels facing the floor and toes pointing toward the ceiling.
- Tighten thigh muscles and hold the legs up for 10 seconds.
- Return the legs to the start position and rest for 5 seconds.
- Repeat the exercise
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