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Muscle mass and physical function in ageing : the effects of physical activity and healthy diet

Edholm, Peter, 1977- (författare)
Örebro universitet,Institutionen för hälsovetenskaper
Kadi, Fawzi, professor, 1970- (preses)
Örebro universitet,Institutionen för hälsovetenskaper
Nilsson, Andreas, Phd, 1973- (preses)
Örebro universitet,Institutionen för hälsovetenskaper
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Caserotti, Paolo, professor (opponent)
University of Southern Denmark, Odense, Danmark
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 (creator_code:org_t)
ISBN 9789175293264
Örebro : Örebro University, 2020
Engelska 103s.
Serie: Örebro Studies in Sport Sciences, 1654-7535 ; 32
  • Doktorsavhandling (övrigt vetenskapligt)
Abstract Ämnesord
Stäng  
  • Ageing is associated with a gradual deterioration in physical function, accompanied by a decrease in muscle mass, leading to loss of independency. In this respect, physical activity and healthy diet represent key lifestyle factors with potential to delay onset of age-related physical disability. The overall aim of the present thesis was to explore the effects of physical activity behaviours in general and resistance training (RT) in particular, with or without addition of a healthy diet (HD), on muscle mass and physical function in older community-dwelling women. A main finding was that physical activity of at least moderate intensity at old age infers beneficial effects on physical function, even in individuals with a previously sedentary lifestyle. Additionally, engagement in exercise-related activities during middleage years is linked to better physical function and higher muscle massat old age, regardless of present physical activity level. This thesis further highlights that in older women RT combined with HD rich in omega-3 polyunsaturated fatty acids elicits significant gains in muscle mass, whereas no corresponding gain was induced by RT alone. Likewise, larger improvements in muscle strength and physical function were evident in response to combined effects by RT and HD compared to RT alone. Taken together, findings from this thesis support public health efforts aiming to promote physical activity of at least moderate intensity together with a healthy diet rich in omega-3 polyunsaturated fatty acids in order to combat age-related decline in muscle mass and physical function.

Ämnesord

MEDICAL AND HEALTH SCIENCES  -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskaper -- Idrottsvetenskap (hsv//swe)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Health Sciences (hsv//eng)

Nyckelord

Healthy ageing
Sarcopenia
Dynapenia
Functional capacity
Resistance training
Omega-3 fatty acids
Muscle mass
Body fat

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