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What causes a person not to be to pedal a stationary bike forwards but only backwards? My knee locks and doesn't straighten. Hurt to go forward. Help

1 doctor weighed in
Dr. John Goldman
Internal Medicine - Rheumatology

In brief: Internal derangement

This may be internal derangement of the knee.
Most likely it can be a cartilage problem inside of the knee. You need to discuss with your physician about getting an evaluation. This can be a torn cartilage, torn tendon, injured ligament, etc

In brief: Internal derangement

This may be internal derangement of the knee.
Most likely it can be a cartilage problem inside of the knee. You need to discuss with your physician about getting an evaluation. This can be a torn cartilage, torn tendon, injured ligament, etc
Dr. John Goldman
Dr. John Goldman
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