How long does tendon repair surgery take to work for patellar tendon rupture?

The operation reconnects the torn patellar tendon; it does not make the tendon fully strong as soon as the wound closes. Your surgeon sets limits on knee bending and weight-bearing while the repair attaches and matures.

Early recovery commonly focuses on protecting the repair in a brace, controlling swelling, and keeping the leg safely supported. Knee movement is then increased in stages. Physiotherapy may begin with gentle exercises for circulation and the thigh muscles before progressing to controlled bending, straightening, walking, and strength work.

Progress depends on the size and location of the tear, the quality of the repair, other knee injuries, general health, and how the knee responds to rehabilitation. Feeling better does not necessarily mean the tendon is ready for lifting, running, jumping, or deep squatting.

Use the brace, crutches, and permitted weight-bearing pattern exactly as instructed. Keep scheduled wound checks and physiotherapy appointments, and practise only the exercises prescribed for your current stage. Take care when sitting, standing, and using stairs because an unexpected knee bend can strain the repair.

Ask before driving, returning to work, or restarting sport. A clinician can assess walking control, knee movement, thigh strength, and the demands of your activity before changing restrictions. Do not test the repair by forcing movement or adding resistance early.

Contact your surgical team promptly for increasing wound redness, drainage, fever, worsening pain, new numbness, or a sudden change in your ability to lift or straighten the knee. Seek urgent medical help for severe calf swelling or pain, chest pain, or new breathing difficulty.

A slip, fall, or forceful knee bend during recovery also warrants prompt advice, even if swelling seems limited. Early assessment can help determine whether the brace, rehabilitation plan, or repair needs attention.

Ask when you may begin each stage of knee bending, how much weight you may place through the leg, and which signs show that the repair is progressing. Clarify when you can shower, drive, work, climb stairs, and resume a particular sport or activity.