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Titolo:
Muscle hyperalgesia in postexercise muscle soreness assessed by single andrepetitive ultrasound stimuli
Autore:
Bajaj, P; Graven-Nielsen, T; Wright, A; Davies, II; Arendt-Nielsen, L;
Indirizzi:
Univ Aalborg, Ctr Sensory Motor Interact, Lab Expt Pain Res, DK-9220 Aalborg 0, Denmark Univ Aalborg Aalborg Denmark 0 Expt Pain Res, DK-9220 Aalborg 0, Denmark Queens Univ, Sch Pharm, Belfast, Antrim, North Ireland Queens Univ Belfast Antrim North Ireland Belfast, Antrim, North Ireland Univ Manitoba, Winnipeg, MB R3T 2N2, Canada Univ Manitoba Winnipeg MB Canada R3T 2N2 ba, Winnipeg, MB R3T 2N2, Canada
Titolo Testata:
JOURNAL OF PAIN
fascicolo: 2, volume: 1, anno: 2000,
pagine: 111 - 121
SICI:
1526-5900(200022)1:2<111:MHIPMS>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
RAT DORSAL HORN; ECCENTRIC EXERCISE; FUNCTIONAL REORGANIZATION; INTRAMUSCULAR PRESSURE; TEMPORAL SUMMATION; FOCUSED ULTRASOUND; ACUTE-INFLAMMATION; SKELETAL-MUSCLE; CREATINE-KINASE; DEEP TISSUES;
Keywords:
eccentric exercise; muscle hyperalgesia; postexercise muscle soreness; pressure pain threshold; ultrasound stimulation; temporal summation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
68
Recensione:
Indirizzi per estratti:
Indirizzo: Bajaj, P Univ Aalborg, Ctr Sensory Motor Interact, Lab Expt Pain Res, Frederik Bajers Vej 7 D-3, DK-9220 Aalborg 0, Denmark Univ Aalborg Frederik Bajers Vej 7 D-3 Aalborg Denmark 0 Denmark
Citazione:
P. Bajaj et al., "Muscle hyperalgesia in postexercise muscle soreness assessed by single andrepetitive ultrasound stimuli", J PAIN, 1(2), 2000, pp. 111-121

Abstract

This study hypothesized the presence of muscle hyperalgesia and central hyper-excitability in postexercise muscle soreness (PEMS). PEMS was induced by standardized eccentric exercise of the first dorsal interosseous (FDI) muscle of the right hand using a newly designed hand exerciser. The left-handFDI served as a control. Concentric maximum voluntary contraction, pressure pain threshold (PPT), pain threshold to a single ultrasonic stimulus (US1), and pain summation threshold to a 2 Hz train of five ultrasonic stimuli (US5) were used to assess the FDI. Measurements were performed at intervalsup to 48 hours after exercise. The PPT in the test hand was minimum after 24 hours. US1 was not significantly different in the test and control handsat any time before or after the exercise, whereas US5 was significantly lower than control after 24 hours (P = .03). Facilitation of the temporal summation pain threshold, calculated as a ratio between US1 and US5, was maximum at 24 hours compared with the control hand (P = .005). This indicates that temporal summation was facilitated as a component of the muscle hyperalgesia and the ultrasonic stimuli can be used as a noninvasive method to determine central mechanisms of muscle hyperalgeisa.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/09/20 alle ore 03:09:34