What is rehab after ACL reconstruction?
The anterior cruciate ligament (ACL) is a strong band inside the knee that keeps the shin from sliding forward and helps the knee stay steady when you turn. In reconstruction, the surgeon replaces a torn ACL with a graft. Rehab is the work that follows.
It is mostly exercise. A clinical practice guideline published in the British Journal of Sports Medicine in 2023 identifies exercise as the main component of rehabilitation after ACL reconstruction [1]. Our page on ACL injury explains what happens before surgery.
Why is the guideline so honest about what is still unknown?
The same guideline says certainty is very low for most parts of rehab, and most recommendations rest on expert agreement [1]. It also finds little evidence on exactly how much exercise to do, and the criteria for returning to running and training are not defined by evidence.
That is a good reason to work with someone who tests you, not someone who hands you a date. We use your surgeon’s protocol, the guideline’s main message and your own results to decide each step.
What will the physiotherapist work on?
The plan changes as you recover, but the building blocks stay similar.
- Getting the knee fully straight and then bending it well.
- Controlling swelling, and getting the thigh muscle working again.
- Walking normally, without a limp.
- Strength in the thigh, buttock and calf, increasing in steps.
- Balance and control on one leg.
- Controlled landing, stopping and turning, later in the plan.
- Sport-specific movement, such as a badminton lunge or a futsal turn.
Each step has to be earned. Moving on too early is a common reason for setbacks, so we test before we progress.
Can rehab happen at home in Ipoh?
Much of it can. A living room, a garden or the corridor outside a flat is enough for the early and middle stages. Heat and humidity matter: sessions at home let you work in a cool room with a fan or air conditioning, and rest properly afterwards.
Later, you may want a gym, a court or the track at a park. Our Canning Garden centre near Fatimah Hospital is opening soon and may suit that stage. For hill and trail runners, our guide on hiking Bukit Kledang with knee pain is worth reading before you go back.
What does return to sport look like?
Return to sport is decided by tests of strength, control and confidence, together with what your surgeon advises. Time since surgery is only one factor.
We help you move in stages: walking, jogging in a straight line, side-to-side movement, then your actual sport. For racket and ball sports, the guides on return to badminton and futsal knee injuries explain what the later stages involve. If fear is holding you back, read confidence after injury.
What can I do this week?
Follow your surgeon’s instructions and attend every review. Between visits, small habits help.
- Do the exercises on your sheet at the same times each day.
- Take short, frequent walks on flat ground, without a limp.
- Keep the leg raised and rested when it swells.
- Note what the knee does on stairs and kerbs, and tell us.
- Write down your sport and what you want to do in it.
Our recovery goals worksheet helps with the last two.
When should you call the surgeon or go to hospital?
Call your surgeon if the wound opens or leaks, the knee becomes hot, red and very swollen, or you have a fever. Go to the emergency department for chest pain, breathlessness, or a swollen, painful calf.
A knee that suddenly locks, or gives way in daily life, also needs your surgeon’s review before more exercise.
Home visit or Canning Garden centre?
Home visits across Ipoh are available now. They suit the early stages, when moving about is tiring. Our Canning Garden centre is opening soon and may suit the later, equipment-based stages.
Prices differ for home and centre, and we give a quote on WhatsApp after a short description. See sports rehabilitation and post-surgical rehabilitation for how care is arranged.