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REsistance and LOADing Exercise for Bone Health
Sponsor: Defence Medical Rehabilitation Centre, UK
Summary
Lower limb amputation, often resulting from military conflict and road traffic accidents, is associated with reduced hip bone mineral density (BMD) and increased risk of hip fractures. This bone loss is attributed to altered mechanical loading and is compounded by an increased falls risk in prosthesis users. While resistance and high-impact exercise interventions have proven effective in enhancing BMD in other populations, no studies have examined their role in amputees. Building on an international Delphi consensus guidelines, this study aims to assess the feasibility and safety of a novel home-based, tele-supervised resistance and high-impact exercise intervention in individuals with unilateral transtibial limb loss. A convenience sample of 10 male prosthesis wearers from the ongoing ADVANCE Study will be involved in the study for 10 weeks and will undertake an 8-week, twice-weekly exercise program including resistance (squat, deadlift, overhead press) and impact-based activities (e.g., multidirectional jumps) (week 2 to week 9 of the study participation). Remote supervision will be provided twice weekly during the first week of exercise and once weekly thereafter. The primary outcomes are feasibility (recruitment, retention, compliance, acceptability, tolerance) and safety (adverse event monitoring). Secondary outcomes include changes in hip muscle strength and neuromuscular performance, assessed at baseline (week 1 of the study participation) and post-intervention (week 10 of the study participation) using isokinetic dynamometry, and force plates, respectively. This study will provide the first evidence on the feasibility and safety of a targeted exercise intervention to stabilise or improve BMD in unilateral transtibial amputees. Findings will inform the design of a subsequent randomised controlled trial to evaluate efficacy, with potential to shape clinical rehabilitation programmes for military and civilian amputee populations at risk of low BMD and related complications.
Official title: The Feasibility and Safety of a Resistance and High-impact Home Exercise Program to Improve Bone Mineral Density in Individuals With Post-traumatic, Unilateral Transtibial Limb Loss
Key Details
Gender
MALE
Age Range
18 Years - 55 Years
Study Type
INTERVENTIONAL
Enrollment
10
Start Date
2026-10
Completion Date
2027-12
Last Updated
2026-09-14
Healthy Volunteers
No
Interventions
Resistance and high-impact exercise training
Each exercise session consists of three resistance training exercises (dumbbell squat, dumbbell deadlift, dumbbell overhead press; for each exercise, 3 sets of 8-12 reps, at 70% of the participant's predicted one repetition maximum) and three impact exercises (vertical, forward, lateral jumps; 2 sets of 10 repetitions each and 2-3 minutes rest between sets).
Locations (1)
Defence Medical Rehabilitation Centre, Stanford Hall
Loughborough, United Kingdom