The control group receiving standard wound treatment, and an intervention group receiving standard wound treatment, and passive training exercises for 8 weeks. The participants will be followed for 16 weeks or until clinical wound healing. All participants will receive standard wound care consisting of debridement, dressings, compression, offloading footwear and if necessary antibiotics The comparison groups should be as similar as possible as regard to important participant characteristics that might influence the response to the intervention. Therefore, a block randomization to ensure that equal numbers of participants with a characteristic thought to affect prognosis or response to the intervention, will be allocated to each comparison group.