Knee flexion means bending your leg at the knee joint, reducing the angle between your lower leg and upper leg. Knee flexion is always accompanied by knee extension, which is straightening of the leg. Vern Gambetta, director of Gambetta Training...
Flexing the knee following surgery or an injury should be performed slowly, gradually building up to your previous physical activity. Your doctor or physical therapist should provide exercises designed to increase knee flexion following any...
Knee pain is a common reason that people visit their doctors. The knee is the largest weight-bearing joint in the body and takes significant stress when an individual walks, runs, or plays sports. The knee has obvious actions, including flexion...
Your golf swing has to operate as a full body motion if you want to transfer the most force possible into the ball with the least amount of effort. During the swing, your legs help to transfer power into your hips, through your torso and into your...
Strengthening the muscles that plantar flex your ankles, flex and extend your hips, and flex your knees requires your consistent participation in an appropriately-designed resistance-training program. Doing so will increase their force-production...
People with a flexion contracture of their knee joint can experience mobility problems due to a flexed knee. A flexion contracture occurs when the tissues in your knees thicken after a period of immobilization and prevent your knee from bending....
According to the American Academy of Orthopaedic Surgeons (AAOS), over 580,000 total knee replacement surgeries occur every year in the U.S. Common reasons for a total knee replacement include osteoarthritis, rheumatoid arthritis, and injuries....
A hanging knee raise is an abdominal exercise that targets the rectus abdominus -- the large muscle in the midsection. Any time you perform flexion of the hip, you engage the same specific muscles. Flexion is a motion that causes a decrease in the...
Your knee joint is a complex structure of bone, cartilage, ligaments and tendons connecting to muscles. Knee flexion uses several muscles on the back of your thigh, as well as some supporting muscles in your inner front thighs. Flexion involves...
Knee flexion is performed primarily by your hamstring muscles, which cross your hip and knee joints. Knee flexor exercises are used for physical therapy to improve knee stability or rehab a strained hamstring muscle. It's best to begin with simple...
Strong hamstrings are critical for knee stability, but these muscles often go underdeveloped due to sedentary lifestyle or simply not choosing exercises that emphasize hamstring involvement. Although your hamstrings do work during some common...
To strengthen your knees you must strengthen the muscles that support them. The hamstrings and quadriceps are responsible for knee flexion and knee extension, the two ways in which your knees can move. Although the other muscles of yoru lower leg,...
The sartorius is the longest muscle in the body. It originates at the front, outside part of your hip bone and inserts on the medial (inside) side of your knee. Because the sartorius crosses two joints (hip and knee) it also acts on both of those...
Shortening of the muscles and ligaments in your hips and knee is a common complication of transtibial amputation. Prolonged sitting in a wheelchair results in flexed hip and knee contracture. Active participation in your rehabilitation is...
The sartorius muscle is the longest muscle in the human body. It runs from the hip diagonally down the inner tibia. According to the Inner Body website, the sartorius muscle gets its name due to the fact that when it is contracted it produces the...
The muscles in the butt, which are known anatomically as the glutes, consist of the gluteus maximus, medius and minimus. The area right below the glutes belongs to the hamstrings. These muscle groups need to be the focus of your toning routine....
Osteoarthritis is a condition that causes cartilage to wear away at the joints. Over time, this condition can lead to pain, stiffness and weakness. Ankle weights are used in exercises to help treat osteoarthritis. These fitness tools get strapped...
Walking, jogging and running on a treadmill will improve your aerobic fitness and also increase the endurance and tone of your lower body muscles. Using a treadmill uses your lower body muscles in a complicated pattern of alternating contractions...
The hamstrings are a group of four muscles on the back of your thigh that are responsible for joint movement at the hip and the knees. To properly target and improve your hamstrings, you need to work these muscles from both joints. This includes...
Range of motion, or ROM, is the amount of movement you have at each joint. ROM may decrease due to aging, injury or after exercise. Knee ROM exercises are designed to preserve flexibility and mobility and reduce stiffness of your knee, according...
The knee, which is a hinge joint, is responsible for extension and flexion. Extension takes place when you move your lower leg from a bent to straight position, and flexion is the complete opposite of this. Knee problems prevent a full range of...
Two muscles make up the "calf" muscles: the underlying soleus and the outer gastrocnemius. The soleus is only involved in plantar flexion (pointing of the toe). The gastrocnemius does both plantar flexion and knee flexion (bending the knee). This...
Taking an active part in your rehabilitation is essential in preventing knee and hip joint contracture. Loss of range of motion and flexibility is a common complication of lower extremity amputation. Your physician will recommend exercises to...
The inside of the knee is known as the medial side, and the band of tissue on that side is called the medial collateral ligament, or MCL. Pain on the inside of your knee most likely means you have aggravated your MCL. If the pain is minor, you can...
The hamstring muscle group, located on the back of the upper thigh, is made up of three muscles: the biceps femoris, the semimembranosus and the semitendinosus. These muscles combine to perform two primary movements: knee flexion, meaning bending...
Running involves a series of movements in the ankles, knees, hips and shoulders during every stride. The knee, for example, involves knee extension activated by the quadriceps muscle -- and knee flexion activated by the hamstrings. With each...
Your quadriceps are located on the front of your thigh. Their job is to extend your knee and flex your hip. They are made up from four muscles: rectus femoris, vastas lateralis, vastas intermedialis and vastas medialis. These four muscles share a...
Long distance travel in a car or plane can cause dependent edema, or swelling in the feet and legs. Sitting for long periods can also cause blood clots in the legs, a potentially dangerous and even fatal condition. Knee exercises help to prevent...
The leg curl is a strength-training exercise that develops muscles in your lower body. The exercise is primarily done with the assistance of a machine available at most fitness gyms, which can include the lying leg curl unit or the sitting leg...
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