Anterior cruciate ligament (ACL) reconstruction is one of the most common orthopaedic procedures worldwide, most frequently performed in young athletes following a non-contact pivoting injury. ACL reconstruction replaces the torn ligament with a graft -- most commonly the ipsilateral patellar tendon (bone-tendon-bone) or hamstring tendons (semitendinosus and gracilis). Graft choice and the specific surgical protocol influence the walking aid requirements, particularly whether a cane is needed and for how long.
Contemporary ACL Reconstruction: Accelerated vs Traditional Protocol
Traditional ACL protocols (1990s) required non-weight-bearing for 1-4 weeks. Contemporary accelerated protocols (current standard) allow full weight-bearing from day 1 or 2, recognising that early weight-bearing does not stress the graft (which is not load-bearing in the first 6-8 weeks -- the fixation hardware bears the load). Under accelerated protocols:
- Crutches: days 0-7 to 10 (for pain, swelling, and confidence; not for graft protection)
- Cane: days 7-14 to day 21 (transition from two crutches to no aid; cane bridges this transition)
- No aid: by week 3-4 for most patients
Graft Donor Site and Cane Use
| Graft Type | Donor Site Morbidity | Walking Aid Consideration |
|---|---|---|
| Patellar tendon (BTB) | Anterior knee pain; kneeling pain; risk of patellar fracture; significant donor site pain | Cane useful slightly longer (2-3 weeks) due to anterior knee donor site pain |
| Hamstring tendon (semitendinosus/gracilis) | Hamstring weakness and fatigue; less anterior knee pain than BTB | Cane typically weaned by 2 weeks; hamstring harvest reduces knee flexor strength transiently |
| Quadriceps tendon | Anterior knee discomfort; less anterior knee pain than BTB in most studies | Similar to BTB; cane 1-3 weeks depending on pain level |
| Allograft (cadaveric) | No donor site morbidity; slower graft incorporation | Cane typically minimal; 1-2 weeks; return to activity may be delayed despite faster early comfort |
ACL Reconstruction: Return to Activity and Cane Role
ACL reconstruction return to sport protocols have lengthened in recent years: the focus has shifted from time-based (6 months) to criterion-based (when quadriceps symmetry, functional tests, and psychological readiness are met, typically 9-12 months). During the rehabilitation period, a cane is a very early-phase tool -- it should be discontinued by week 3-4 in most patients. A patient still using a cane at 3 months post-ACL reconstruction has a problem requiring investigation (graft failure, infection, compartment syndrome, or another diagnosis).
Explore DaiWalk walking canes. Related: Walking Cane After Knee Arthroscopy | Walking Cane for Sports Injuries.
