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BCW-Based Resistance Training for Community-Dwelling Sarcopenia Patients

ConditionSarcopenia
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age50+
SponsorHangzhou Normal University

About this trial

The purpose of this randomized controlled trial is to evaluate the effects of a Behavior Change Wheel (BCW)-based resistance exercise program on muscle health, physical performance, and exercise adherence in community-dwelling older adults with sarcopenia. Participants will be randomly assigned to either an experimental group or a waitlist control group. The experimental group will receive a 12-week BCW-based resistance exercise intervention (twice a week) immediately. The waitlist control group will maintain their usual routine for the first 3 months for comparison, and will then cross over to receive the identical 12-week intervention. The study aims to provide an effective and ethical exercise management strategy for sarcopenic patients.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

None

Disqualifiers

Presence of metal implants, such as cardiac pacemakers, stents, steel plates, or artificial joints (due to BIA measurement constraints).

Trial design

Design model

Parallel

Treatments tested in this trial

  • BCW-Based Resistance Exercise Program

    Behavioral

    Structured 12-week resistance exercise (RE) program based on the Behavior Change Wheel (BCW) and COM-B model. Theory (BCW): Capability is enhanced via sarcopenia education and face-to-face instruction. Opportunity is facilitated by providing free resistance bands, training venues, and peer demonstrations. Motivation is sustained via a points-based reward system, social commendations, and phone/alarm reminders. Protocol (FITT): Frequency: 2 supervised sessions/week (\>=48h apart). Time: 60-min sessions (meditation, warm-up, RE, stretching). Intensity: Progressive loading from 40%-50% up to 70% of 1RM using color-coded bands. Progressions (+5% 1RM) guided by Borg RPE (12-14). Type: Multi-component RE (chest, back, shoulders, glutes, lower body, core) doing 1-2 sets of 10 reps with 60-90s rest. Safety: Vitals (BP, HR) are recorded pre- and post-session. Continuous symptom monitoring prevents adverse events. No fasting exercise permitted.

Treatment groups

100 Participants
are divided into 2 treatment groups
Group A: Resistance Training GroupExperimental treatment 1 intervention
Group B: Waitlist Control GroupNo intervention 0 interventions

Trial outcomes

Primary outcomes

1

Skeletal Muscle Mass Index

Skeletal muscle mass will be measured using Bioelectrical Impedance Analysis (BIA). SMI is calculated as appendicular skeletal muscle mass (ASM) divided by height squared (kg/m²).

Time frame
Baseline, 3 months, and 6 months

Secondary outcomes

1

Handgrip Strength

Measured in kilograms (kg) using an electronic handgrip dynamometer. Participants stand with arms hanging naturally and squeeze the device with their dominant hand with maximum effort. The test is performed twice with a 1-minute interval, and the maximum value is recorded.

Time frame
Baseline, Month 3, and Month 6
2

6-Meter Gait Speed

Calculated in meters per second (m/s). Participants walk at a usual pace over a 6-meter distance. The test is conducted at least twice, and the average value is used to evaluate physical performance.

Time frame
Baseline, Month 3, and Month 6
3

Self-Efficacy for Exercise Scale - Chinese Version (SEE-C) Score

Assessed using the 9-item Chinese version of the SEE scale. Each item is rated from 0 (no confidence) to 10 (total confidence). The total score is the sum of all items divided by 9. Higher scores indicate higher exercise self-efficacy.

Time frame
Baseline, Month 3, and Month 6
4

Exercise Adherence Rate

Expressed as the ratio of actual exercise sessions attended to the planned sessions. Good adherence is defined as completing 80% or more of the scheduled sessions over the 12-week intervention period.

Time frame
Month 3 (Experimental Group) and Month 6 (Waitlist Group)

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Hangzhou Normal University

Lead sponsor

Source ClinicalTrials.gov

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