The goal of this study is to find out if using microprocessor-controlled prosthetic knees (MPKs), prosthetic knees with a built-in computer, improves health outcomes related to falls in adults who use above-knee prostheses. The main questions are: * Do individuals with MPKs have fewer fall-related health issues compared to those with non-microprocessor-controlled prosthetic knees (nMPKs)? * Do individuals with MPKs have increased mobility, faster walking speed, and improved quality of life compared to those with nMPKs? Participants who have recently received an nMPK as part of their regular care can join the study. Those randomized to the control group will keep using their nMPK, while those randomized to the intervention group will receive a stance-and-swing MPK or a stance-only MPK.
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Prosthetic Limb Users Survey of Fall-Related Self-Efficacy (PLUS-F-SEF)
Timeframe: Collected at baseline, 1-month, 3-month, 6-month, 9-month, and 12-month assessments.
Prosthetic Limb Users Survey of Fall-Related Anxiety (PLUS-F-ANX)
Timeframe: Collected at baseline, 1-month, 3-month, 6-month, 9-month, and 12-month assessments.
Prosthetic Limb Users Survey of Fall-Related Avoidance Behaviors (PLUS-F-AVB)
Timeframe: Collected at baseline, 1-month, 3-month, 6-month, 9-month, and 12-month assessments.
Prosthetic Limb Users Survey of Fall-Related Interference (PLUS-F-INT)
Timeframe: Collected at baseline, 1-month, 3-month, 6-month, 9-month, and 12-month assessments.
Number of Reported Falls and Near-Fall Events
Timeframe: Collected every two weeks starting at baseline up to 12 months