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Titolo:
Resistance training in patients with peripheral arterial disease: Effects on myosin isoforms, fiber type distribution, and capillary supply to skeletal muscle
Autore:
McGuigan, MRM; Bronks, R; Newton, RU; Sharman, MJ; Graham, JC; Cody, DV; Kraemer, WJ;
Indirizzi:
Ball State Univ, Human Performance Lab, Muncie, IN 47306 USA Ball State Univ Muncie IN USA 47306 Performance Lab, Muncie, IN 47306 USA So Cross Univ, Sch Exercise Sci & Sports Management, Lismore, NSW, Australia So Cross Univ Lismore NSW Australia Management, Lismore, NSW, Australia St Vincents Hosp, Lismore, NSW, Australia St Vincents Hosp Lismore NSW Australia nts Hosp, Lismore, NSW, Australia
Titolo Testata:
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES
fascicolo: 7, volume: 56, anno: 2001,
pagine: B302 - B310
SICI:
1079-5006(200107)56:7<B302:RTIPWP>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
UNTRAINED OLDER MEN; OCCLUSIVE DISEASE; VASCULAR-DISEASE; EXERCISE; STRENGTH; WOMEN; CLAUDICATION; ADAPTATIONS; HISTOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
41
Recensione:
Indirizzi per estratti:
Indirizzo: Bronks, R Ball State Univ, Human Performance Lab, Muncie, IN 47306 USA Ball State Univ Muncie IN USA 47306 e Lab, Muncie, IN 47306 USA
Citazione:
M.R.M. McGuigan et al., "Resistance training in patients with peripheral arterial disease: Effects on myosin isoforms, fiber type distribution, and capillary supply to skeletal muscle", J GERONT A, 56(7), 2001, pp. B302-B310

Abstract

The purpose of this study was to investigate the effects of a progressive resistance training program on myosin heavy chain isoform expression, fibertype, and capillarization in patients with symptomatic peripheral arterialdisease. Patients were randomized to either a training group (n = 11, mean+/- SD, 70 +/- 6 years, 4 men, 7 women) or a control group (n = 9, 66 +/- 6 years, 5 men, 4 women). The training sessions were completed 3 times/week, using 2 sets of various exercises. each performed for 8-15 repetitions. Muscle biopsies were obtained before and after 24 weeks from the medial gastrocnemius. Following the 24-week training program, the training group had significantly decreased the percentage of myosin heavy chain type IIB. The proportion of type IIB/AB fibers as measured by using myosin adenosine triphosphatase histochemistry decreased significantly in the training group. There were significant increases in type I and type II fiber areas, and capillary density also increased significantly in the training group. There were significant increases in 10 repetition maximum leg press and calf press strengths in the trained subjects. There were no significant changes in any ofthe measurements in the control group. It is concluded that progressive resistance training results in significant increases in muscle strength and alters skeletal muscle composition of subjects with peripheral arterial disease.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/04/20 alle ore 10:28:05