CU Anschutz Develops First Validated Tool to Measure Performance in Bone-Anchored Prosthesis Users After Amputation
- On May 29, 2025, a team of researchers based in Aurora developed and confirmed the effectiveness of the COLD-TUG test, designed to evaluate bone-anchored prostheses for individuals with lower-limb amputations.
- The test emerged to meet growing demand as more patients choose bone-anchored limb prostheses and providers require validated functional outcome measures.
- The study assessed 31 unilateral amputees—16 with bone-anchored and 15 with socket-style prostheses—and found bone-anchored users could don the prosthesis about 61 seconds faster.
- Lead author Mohamed Awad noted that saving 61 seconds per donning, up to 15 times daily, translates into hours saved over weeks, allowing patients more time for living.
- The validated COLD-TUG test objectively quantifies mobility benefits for bone-anchored prosthesis users, aiding providers in selecting optimal limb solutions for patients.
20 Articles
20 Articles
New test can measure performance for lower-limb amputees using bone-anchored prostheses
A test developed at the University of Colorado Anschutz Medical Campus that measures both prosthetic donning time and mobility in lower-limb amputation, shows that a prosthesis anchored to bone goes on faster than a traditional socket-style prosthesis.
Team develops first validated tool to measure performance in bone-anchored prosthesis users after amputation
A test developed at the University of Colorado Anschutz Medical Campus that measures both prosthetic donning time and mobility in lower-limb amputation, shows that a prosthesis anchored to bone goes on faster than a traditional socket-style prosthesis. The finding is the first to validate the test as a tool to measure performance for lower-limb amputees using bone-anchored prostheses.


CU Anschutz Unveils Groundbreaking Tool for Assessing Performance in
A cutting-edge study conducted at the University of Colorado Anschutz Medical Campus has made a significant advancement in the field of prosthetics, particularly for lower-limb amputees. The research focuses on the Colorado Limb Donning-Timed Up and Go (COLD-TUG) test, a novel method that evaluates both the efficiency of prosthetic donning and the mobility of patients using bone-anchored prostheses as compared to traditional socket-style options…
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