The Best Type of Exercise Bike for Knee Rehabilitation

When used correctly, a stationary exercise bike is typically a safe knee-rehabilitation tool. It can help restore and improve knee joint mobility, stability, flexibility, and strength.

A recumbent bike is easier to get on and off of, and it may be more comfortable than an upright bike for people who have certain knee injuries, pain, and recovery needs, according to the Georgia Knee Institute. With a semi-reclined position, wide seat, and large backrest, a recumbent bike can help reduce excess strain on the knees, as well as on the lower back and hip joints.

Common Knee Injuries

The knee is the largest joint in the body. It’s also one of the most easily and commonly injured. The most common knee injuries involve the anterior cruciate ligament (ACL), the medial collateral ligament (MCL), and the posterior cruciate ligament (PCL), according to the American Academy of Orthopaedic Surgeons.

ACL injuries typically occur when you change direction quickly or when you land from a jump. MCL injuries are usually a result of a direct blow to the outside of the knee. And PCL injuries typically occur from a blow to the front of the knee.

Another common knee injury is trauma to the meniscus, the soft cartilage found between the bones that provides cushion and absorbs shock, according to Mayo Clinic.

Doctors often prescribe knee rehabilitation for these injuries and for injuries related to overusing the knee joint. Knee rehab plans often feature the use of a stationary bike.

Why Use a Recumbent Bike?

A recumbent exercise bike is a type of stationary bike that features a wide seat, large backrest, and foot pedals positioned out in front of your body.

This semi-reclined position provides the ergonomic support that many people need in the early days of recovering from a knee injury, according to physical therapy clinic Brentwood Physio in Calgary, Alberta. It helps reduce the amount of stress on the knee joint and helps stabilize hip movement. It also creates a more comfortable riding experience. Recumbent bikes tend to be easier to get on and off of during the initial recovery period, too.

Proper placement of the seat, which slides forward and backward, is key to safe and effective recumbent bike use, according to fitness-equipment maker Vanswe Fitness in Los Angeles. To avoid excess stress on the knee joint, ensure that:

• Your knees are slightly bent even when the pedals are at the farthest point away from your body.
• Your back maintains contact with the backrest at all times.
• Your hips remain level as you pedal.

When to Use an Upright Bike

Once you achieve a minimum of 100 degrees of knee flexion in your rehabilitation program, your physical therapist may approve the use of an upright stationary bike as well, according to gym and fitness service Aussie Fitness Equipment in Australia. Just like with a recumbent bike, seat placement (or saddle height) on an upright bike influences the amount of bend in the knee and is crucial for both comfort and joint safety, according to a study.

Doctors and physical therapists often recommend starting with a recumbent bike to get you used to exercising again after a knee injury, because it’s easier to use than an upright bike. Those recovering from knee injuries should choose the type of bike they want to use based on their healthcare provider’s recommendations, their range of motion at the knee joint, their specific injury, their ability to control the intensity of exercise, and based on the type of bike that feels more comfortable.