Triple Arthrodesis Rehabilitation
What is a triple arthrodesis?
A triple arthrodesis is a surgical procedure that permanently fuses three joints of the hindfoot — the subtalar joint (between the talus and calcaneus), the talonavicular joint (between the talus and navicular), and the calcaneocuboid joint (between the calcaneus and cuboid). By fusing these three joints simultaneously, the surgeon stabilises the hindfoot and corrects deformity, eliminating the painful movement that has been causing symptoms.
It is a procedure of last resort in most cases — recommended when conservative management has failed and the pain and functional limitation from hindfoot arthritis or deformity has reached a point where quality of life is significantly affected. Common indications include end-stage rheumatoid arthritis or inflammatory arthropathy affecting the hindfoot joints, severe flatfoot deformity with posterior tibial tendon dysfunction, post-traumatic arthritis following calcaneal or talar fractures, significant ankle and hindfoot osteoarthritis, and congenital or acquired hindfoot deformities including those associated with neuromuscular conditions.
The trade-off of triple arthrodesis is well understood — the procedure eliminates painful movement but also eliminates the hindfoot's normal adaptive capacity on uneven ground. Most patients find this trade-off entirely worthwhile after years of disabling pain, but understanding what will and won't change after the surgery is an important part of realistic expectation-setting.
What does surgery involve?
The procedure is performed under general anaesthesia, typically taking two to three hours depending on the complexity of the deformity being corrected. The three hindfoot joints are exposed, the cartilage surfaces are removed, and the bones are positioned in the corrected alignment before being fixed with screws or staples. Bone graft — either from the patient's own bone or donor bone — is often used to fill gaps and stimulate healing across the fusion sites.
After surgery the foot is immobilised in a cast or boot, and a strict non-weight-bearing period of six to twelve weeks is typically required while the fusion consolidates. This extended non-weight-bearing is one of the most challenging aspects of the recovery and requires significant planning in terms of home modifications, work arrangements and daily living.
Why is physiotherapy important after triple arthrodesis?
The surgical fusion addresses the structural problem — but it cannot on its own restore the muscle strength, movement patterns and functional capacity that have been degraded by years of painful, limited walking. Most patients coming to triple arthrodesis have been significantly deconditioned, have altered gait mechanics from months or years of pain-avoidance strategies, and have weakness throughout the calf, foot and lower limb that needs systematic rehabilitation.
Additionally, while the hindfoot is fused, the ankle joint above and the midfoot and forefoot below retain their movement — and these joints now need to compensate for the lost hindfoot motion during walking. Physiotherapy helps these adjacent joints adapt appropriately and prevents the compensatory overload that can lead to secondary problems further up the kinetic chain.
What does rehabilitation involve?
The non-weight-bearing phase — typically six to twelve weeks — is not a passive waiting period. Physiotherapy during this phase focuses on maintaining upper body and cardiovascular fitness through appropriate non-weight-bearing exercise, preventing muscle wasting in the immobilised limb through isometric and gentle range-of-motion work for the ankle and toes within permitted limits, and managing swelling with elevation and compression.
As weight-bearing is progressively introduced — confirmed by X-ray evidence of fusion consolidation — physiotherapy shifts to gait retraining, calf and lower limb strengthening, and rebuilding the balance and proprioception that the fused hindfoot can no longer contribute to in the same way. This phase requires patience — the gait pattern that emerges from a triple arthrodesis is inherently different to normal, and learning to walk efficiently with a fused hindfoot takes consistent practice over weeks to months.
Real time ultrasound assists in retraining deep calf and foot muscle activation where prolonged immobilisation has disrupted normal neuromuscular patterns. Clinical Pilates provides a valuable controlled environment for progressive lower limb strengthening and balance work as weight-bearing capacity builds.
From three to six months, the focus is on restoring full weight-bearing capacity, optimising gait efficiency, returning to community ambulation including stairs and uneven ground, and where relevant, working toward specific activity goals. Most patients are walking independently without aids by three to four months, though full functional recovery — including confidence on uneven ground and return to recreational activities — typically takes six to twelve months.
What can I expect long term?
Most patients who have a triple arthrodesis for the right indications report significant improvement in pain and overall quality of life compared to their pre-operative status. Walking on flat ground typically becomes comfortable and relatively normal-appearing. Activities on uneven terrain — hiking, walking on grass, navigating cobblestones — require more conscious effort and may always feel different due to the reduced hindfoot adaptability.
Adjacent joint arthritis — particularly of the ankle above the fusion — is a recognised long-term consideration and is monitored over time. Maintaining good calf and lower limb strength through ongoing exercise is the best available strategy for protecting these adjacent joints and maximising the longevity of a good outcome.
For patients whose surgery followed a traumatic injury covered by WorkCover or CTP, we provide funded rehabilitation and liaise with insurers and your surgical team throughout recovery.
Our physiotherapists Bethany Kippen and Emma Cameron both have post-surgical rehabilitation experience and are members of the Australian Physiotherapy Association.
To book or find out more, call us on 07 3706 3407 or book online below. We see patients from across Brisbane's southside including Tarragindi, Coorparoo, Holland Park, Greenslopes and Mt Gravatt.
A triple arthrodesis is a surgical procedure that permanently fuses three joints of the hindfoot — the subtalar joint (between the talus and calcaneus), the talonavicular joint (between the talus and navicular), and the calcaneocuboid joint (between the calcaneus and cuboid). By fusing these three joints simultaneously, the surgeon stabilises the hindfoot and corrects deformity, eliminating the painful movement that has been causing symptoms.
It is a procedure of last resort in most cases — recommended when conservative management has failed and the pain and functional limitation from hindfoot arthritis or deformity has reached a point where quality of life is significantly affected. Common indications include end-stage rheumatoid arthritis or inflammatory arthropathy affecting the hindfoot joints, severe flatfoot deformity with posterior tibial tendon dysfunction, post-traumatic arthritis following calcaneal or talar fractures, significant ankle and hindfoot osteoarthritis, and congenital or acquired hindfoot deformities including those associated with neuromuscular conditions.
The trade-off of triple arthrodesis is well understood — the procedure eliminates painful movement but also eliminates the hindfoot's normal adaptive capacity on uneven ground. Most patients find this trade-off entirely worthwhile after years of disabling pain, but understanding what will and won't change after the surgery is an important part of realistic expectation-setting.
What does surgery involve?
The procedure is performed under general anaesthesia, typically taking two to three hours depending on the complexity of the deformity being corrected. The three hindfoot joints are exposed, the cartilage surfaces are removed, and the bones are positioned in the corrected alignment before being fixed with screws or staples. Bone graft — either from the patient's own bone or donor bone — is often used to fill gaps and stimulate healing across the fusion sites.
After surgery the foot is immobilised in a cast or boot, and a strict non-weight-bearing period of six to twelve weeks is typically required while the fusion consolidates. This extended non-weight-bearing is one of the most challenging aspects of the recovery and requires significant planning in terms of home modifications, work arrangements and daily living.
Why is physiotherapy important after triple arthrodesis?
The surgical fusion addresses the structural problem — but it cannot on its own restore the muscle strength, movement patterns and functional capacity that have been degraded by years of painful, limited walking. Most patients coming to triple arthrodesis have been significantly deconditioned, have altered gait mechanics from months or years of pain-avoidance strategies, and have weakness throughout the calf, foot and lower limb that needs systematic rehabilitation.
Additionally, while the hindfoot is fused, the ankle joint above and the midfoot and forefoot below retain their movement — and these joints now need to compensate for the lost hindfoot motion during walking. Physiotherapy helps these adjacent joints adapt appropriately and prevents the compensatory overload that can lead to secondary problems further up the kinetic chain.
What does rehabilitation involve?
The non-weight-bearing phase — typically six to twelve weeks — is not a passive waiting period. Physiotherapy during this phase focuses on maintaining upper body and cardiovascular fitness through appropriate non-weight-bearing exercise, preventing muscle wasting in the immobilised limb through isometric and gentle range-of-motion work for the ankle and toes within permitted limits, and managing swelling with elevation and compression.
As weight-bearing is progressively introduced — confirmed by X-ray evidence of fusion consolidation — physiotherapy shifts to gait retraining, calf and lower limb strengthening, and rebuilding the balance and proprioception that the fused hindfoot can no longer contribute to in the same way. This phase requires patience — the gait pattern that emerges from a triple arthrodesis is inherently different to normal, and learning to walk efficiently with a fused hindfoot takes consistent practice over weeks to months.
Real time ultrasound assists in retraining deep calf and foot muscle activation where prolonged immobilisation has disrupted normal neuromuscular patterns. Clinical Pilates provides a valuable controlled environment for progressive lower limb strengthening and balance work as weight-bearing capacity builds.
From three to six months, the focus is on restoring full weight-bearing capacity, optimising gait efficiency, returning to community ambulation including stairs and uneven ground, and where relevant, working toward specific activity goals. Most patients are walking independently without aids by three to four months, though full functional recovery — including confidence on uneven ground and return to recreational activities — typically takes six to twelve months.
What can I expect long term?
Most patients who have a triple arthrodesis for the right indications report significant improvement in pain and overall quality of life compared to their pre-operative status. Walking on flat ground typically becomes comfortable and relatively normal-appearing. Activities on uneven terrain — hiking, walking on grass, navigating cobblestones — require more conscious effort and may always feel different due to the reduced hindfoot adaptability.
Adjacent joint arthritis — particularly of the ankle above the fusion — is a recognised long-term consideration and is monitored over time. Maintaining good calf and lower limb strength through ongoing exercise is the best available strategy for protecting these adjacent joints and maximising the longevity of a good outcome.
For patients whose surgery followed a traumatic injury covered by WorkCover or CTP, we provide funded rehabilitation and liaise with insurers and your surgical team throughout recovery.
Our physiotherapists Bethany Kippen and Emma Cameron both have post-surgical rehabilitation experience and are members of the Australian Physiotherapy Association.
To book or find out more, call us on 07 3706 3407 or book online below. We see patients from across Brisbane's southside including Tarragindi, Coorparoo, Holland Park, Greenslopes and Mt Gravatt.
