Sense of Coherence: Effect on Adherence and Response to Resistance Training in Older People With Hip Fracture History

in Journal of Aging and Physical Activity
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Our aim was to study the effects of sense of coherence (SOC) on training adherence and interindividual changes in muscle strength, mobility, and balance after resistance training in older people with hip fracture history. These are secondary analyses of a 12-week randomized controlled trial of progressive resistance training in 60- to 85-year-old community-dwelling people 0.5–7 years after hip fracture (n = 45; ISRCTN34271567). Pre- and posttrial assessments included SOC, knee extension strength, walking speed, timed up-and-go (TUG), and Berg Balance Scale (BBS). Group-by-SOC interaction effects (repeated-measures ANOVA) were statistically significant for TUG (p = .005) and BBS (p = .040), but not for knee extension strength or walking speed. Weaker SOC was associated with poorer training adherence (mixed model; p = .009). Thus, more complicated physical tasks did not improve in those with weaker SOC, independently of training adherence. Older people with weaker SOC may need additional psychosocial support in physical rehabilitation programs to optimize training response.

Portegijs, Rantanen, and Sipilä are with the Gerontology Research Center and Dept. of Health Sciences, and Heinonen, the Dept. of Health Sciences, University of Jyväskylä, Jyväs-kylä, Finland. Read is with the London School of Hygiene and Tropical Medicine, London, UK. Pakkala is with the GeroCenter Foundation for Research and Development, Kinkomaa Hospital, Kinkomaa, Finland. Kallinen is with the Dept. of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland. Alen is with the Dept. of Medical Rehabilitation, Oulu University Hospital, Oulu, Finland. Kiviranta is with the Dept. of Orthopaedics and Traumatology, University of Helsinki, Helsinki, Finland. Sihvonen is with the School of Health and Social Studies, JAMK University of Applied Sciences, Jyväskylä, Finland.