Inclusion Criteria:  Unilateral limb amputation occurring between the knee and hip joints Minimum of one-year post-amputation and should have at least three-months experience walking with their current prosthetic system. Classified as K2 and K3-level community ambulators will be included in the study. Able to walk a minimum of 25 minutes with minimal rest. For participants with vascular-related amputations, a doctor's note clearing them to participate in the study will be required. Able to understand and speak English.  Exclusion Criteria:  Previous spinal cord injury, stroke, or traumatic brain injury. Major upper-limb loss, defined as an amputation occurring proximal to the wrist. Previous or current injury affecting the function of their intact limb (e.g. pelvic injury, osteoarthritis, etc.) Significant hip contracture exceeding 15° Body-mass-index exceeding 35