Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
Circulatory responses to voluntary and electrically induced muscle contractions in humans
Autore:
Miller, BF; Gruben, KG; Morgan, BJ;
Indirizzi:
Univ Wisconsin, Dept Surg, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706 sin, Dept Surg, Madison, WI 53706 USA Univ Calif Berkeley, Berkeley, CA 94720 USA Univ Calif Berkeley Berkeley CA USA 94720 erkeley, Berkeley, CA 94720 USA Univ Wisconsin, Dept Kinesiol, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706 Dept Kinesiol, Madison, WI 53706 USA Univ Wisconsin, Dept Biomed Engn, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706 pt Biomed Engn, Madison, WI 53706 USA
Titolo Testata:
PHYSICAL THERAPY
fascicolo: 1, volume: 80, anno: 2000,
pagine: 53 - 60
SICI:
0031-9023(200001)80:1<53:CRTVAE>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY RHYTHMIC EXERCISE; BLOOD-FLOW; SKELETAL-MUSCLE; SYMPATHETIC OUTFLOW; NERVE-STIMULATION; DYNAMIC EXERCISE; CENTRAL COMMAND; CALF MUSCLE; LIMB; PERFUSION;
Keywords:
exercise; regional blood flow; transcutaneous electrical nerve stimulation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Morgan, BJ Med Sci Ctr 5173, 1300 Univ Ave, Madison, WI 53706 USA Med Sci Ctr 5173 1300 Univ Ave Madison WI USA 53706 I 53706 USA
Citazione:
B.F. Miller et al., "Circulatory responses to voluntary and electrically induced muscle contractions in humans", PHYS THER, 80(1), 2000, pp. 53-60

Abstract

Background and Purpose: Transcutaneous electrical nerve stimulation (TENS)increases regional blood flow when applied at intensities sufficient to cause skeletal muscle contraction. It is not known whether increases in bloodflow elicited by TENS differ from those caused by voluntary muscle contraction. The purpose of this study, therefore, was to compare the hemodynamic effects of these 2 tripes of muscle contraction. Subjects and Methods. Fourteen people with no known pathology, aged 18 to 49 years ((X) over bar=28, SD=8), sewed as subjects. Calf blood flow (venous occlusion plethysmography), heart rate (electrocardiogram), blood pressure (automated sphygmomanometry), and force (footplate transducer) were measured during electrically induced and voluntary contractions. Results. Both modes of exercise caused rapid, but short-lived vasodilation (calf vascular resistance [(X) over bar+/-SEM]: -53%+/-3% for voluntary contractions versus -57%+/-4% for electrically induced contractions). The vasodilation caused by electrically induced contractions persisted for at least 15 seconds in the postexercise period, whereas the vasodilation elicited by voluntary contractions had resolved by this time point. Conclusion and Discussion. The hemodynamic changes elicitedby voluntary and electrically induced muscle contractions are similar in magnitude but different in duration.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 15:59:44