This is a prospective parallel group, double-blinded randomized controlled trial. Subjects are randomized into two groups - the intervention group and waitlist control group. Subjects received resistance, aerobic, flexibility and balance exercise training; and nutritional supplement containing β-hydroxy β-methylbutyrate (HMB). The intervention group would first receive the intervention during the 12-week study period. Meanwhile, the waitlist control group would receive 12 weeks of conventional care. After the study period, they would receive the same intervention.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
13
Ensure NutriVigor, a nutritional supplement, was provided to subjects according to the manufacturer's recommendation of two servings per day. Each serving consists of 54.1g of powder which provides \~231kcal, 8.61g protein, 1.21 g β-hydroxy β-methylbutyrate, 130 IU vitamin D and 0.29 g omega-3 fatty acid.
The exercise intervention consists of 75-minutes sessions delivered by physiotherapists at the Integrated Rehabilitation Day Centre (IRDC) in Kowloon Hospital, twice per week for 12 weeks with a total of 24 supervised sessions. Each exercise session consists of 5 minutes of warm up, 30 minutes of resistance training, 20 minutes of aerobic training, 15 minutes of balance or neuromuscular exercises and 5 minutes of cool down.
Kowloon Hospital
Kowloon, Hong Kong
Grip strength
Grip strength was measured with Jamar Plus+ digital hand dynamometer (Performance Health Supply, Wisconsin, United States).
Time frame: 12 weeks
Body weight
Time frame: 12 weeks
Body mass index
Time frame: 12 weeks
Appendicular skeletal muscle mass index
ASMI was measured with a bioimpedance analyser, InBody 270 (InBody, Seoul, South Korea).
Time frame: 12 weeks
6-metre walk test
In 6-metre walk test, a 10-metre walkway is marked at the 0-, 2-, 8-, and 10-metre points. The time for the patient to finish the central 6 metres will be recorded by a digital stopwatch by the same tester.
Time frame: 12 weeks
5-time chair stand test
Starting from sitting on a standard chair with folded arm across chest, subject is asked to rise from the chair and return to the seated position as quickly as possible for five repetitions.
Time frame: 12 weeks
Short Physical Performance Battery (SPPB)
The SPPB, a reliable and valid tool to evaluate functional capability, consisted of three components: standing balance, walking speed and chair stand .
Time frame: 12 weeks
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