This constitutes the currently accepted regime and is therefore consider the control group (CTRL) with early range of motion and early weight bearing. The control group was allowed to have weight-bearing as tolerated from day 0. They are also instructed to perform tendon strain exercises 3 times each day from 2 weeks after the rupture.

The patients in the early loading group are also allowed to have weight-bearing as tolerated from day 0 and perform tendon strain exercises 3 times each day from 2 weeks after the rupture. The patients in this group will also remove the walker twice a day and use a special training pedal for 5 weeks (until walker removal).

Tendon Injuries

Soft Tissue Injuries

Achilles Tendon Rupture

The patients will perform early loading by using a special training pedal for 5 weeks, starting 2 weeks after the rupture. The patients will remove the walker and train twice a day on this pedal.

Early loading on a training pedal

The patients will perform tendon strain exercises 3 times each day from 2 weeks after the rupture.

Tendon strain exercises

The patients are allowed to bear weight as much as tolerated in the walker from day 1.

Early weight bearing

University Hospital Linkoeping

Early Controlled Loading on Conservative Treated Achilles Tendon Ruptures

Mechanical Properties in Conservative Treated Achilles Tendon Ruptures With or Without Early Controlled Loading

Modulus of elasticity will be measured using RSA and measurements of the distance between tantalum beads. A certain frame is used allowing us to apply a pedal to the forefoot and load it with weights. Tendon size will be measured using CT.

Tendon elongation will be evaluated using RSA and measurements of the distance between tantalum beads

Patient reported outcome regarding function in their Achilles tendon

The maximun range of motion in the ankle joint will be measured in plantar and dorsiflexion.

The number of heel-rises and the heel-rise height will be used for calculation of the heel-rise work.

Plastic deformation will be measured using RSA and measurements of the distance between tantalum beads while the patient continues to have a load on the tendon for 3 minutes with a weight. Tendon size will be measured using CT.

tantalum/asthenia

Early Controlled Loading on Conservative Treated Achilles Tendon Ruptures

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