Sarcopenia Clinical Trial
Official title:
Feasibility and Benefits of Group Based Exercise in Residential Aged Care Adults: a Randomised Control Trial for the GrACE Programme
This study is a randomised control (feasibility study), which will compare feasibility and efficacy outcomes between a 12-week Exercise Program and control group in RAC residents.
Study Design and Recruitment This study compared the delivery feasibility and outcomes of a
12-week combined resistance and weight bearing exercise programme which the investigators
named the GrACE programme. Participant recruitment and assessment occurred over a five-month
period.
The RAC was approached about participation via email and telephone follow-up. Potential
participants were identified at a meeting with the facility Service Manager. Participants
were screened via the inclusion criteria at the meeting with the Service Manager and a
Registered Nurse, and written consent was attained prior to participation. Following an
explanation of the procedures, purposes, benefits and associated risks of the study,
participants had the opportunity to ask questions. A total of 37 older RAC adults provided
written informed consent and were randomised into the study. The exercise group contained 20
participants and the control group 17 participants. Ethical approval to conduct this study
was attained from Bond University's Human Ethics Research Committee (RO 1823).
Intervention: the GrACE programme Previous work by our group trialled a successful exercise
programme in respite day care that could promise benefits to those in RAC (HenwoodWooding &
de Souza 2013). In brief, the GrACE programme included a number of targeted weight-bearing
exercises (using body weight and dumbbells) and a range of seated, non-resisted upper- and
lower-body dynamic and reaching movements. While developed for respite care older adults,
the programme was slightly modified for the RAC setting; initially using reduced range of
motion and resistance, and an extended conditioning/familiarisation phase. The conditioning
phase lasted for three weeks in which technique was emphasised without using any weights or
additional resistance. The focus of this technique of the conditioning phase was to develop
the correct technique and minimise the potential for any delayed onset muscle soreness or
adverse effects. After concluding the conditioning phase, participants were able to use
light dumbbells (often starting with 0.5kg) increasing to heavier dumbbells (up to 4kg) with
their increasing capacity over the course of the programme. Participants performed the
exercises twice per week for 12 weeks. Training sessions lasted approximately 45 minutes,
were separated by at least 48 hours and were delivered by an allied health professional
experienced working with RAC adults.
Control Group All subjects assigned to the control group were given the option to engage in
other activities that were offered by the facility during the 12-week intervention period.
Activities were facility specific, and included Zumba aerobic exercise and walking, however
no specific resistance exercises were offered.
Data Collection Reasons for refusal (non-consent) to participate were recorded (Henwood
2014). All muscle function outcome measures in this study have been previously validated for
use with older adults, and their protocols reported elsewhere (Henwood, Wooding & de Souza
2013; Sterke et al. 2012). Assessments were completed one-on-one with each participant.
During muscle function measures assessments, participants were encouraged to rest as needed
and given verbal support and encouragement to reduce any potential burden to the
participant.
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Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label
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