Kineziologija, Vol. 33 No. 1, 2001.
Izvorni znanstveni članak
Characteristics and differences in the heart rate and blood lactate concentration values measured during hi-lo and step aerobics classes
Damir Sekulić
; Faculty of Natural Sciences, Mathematics and Education, University of Split, Croatia
Nikola Rausavljević
; Faculty of Natural Sciences, Mathematics and Education, University of Split, Croatia
Milan Žvan
; Faculty of Sport, University of Ljubljana, Slovenia
Sažetak
The investigation was carried out to determine the characteristic portion of energy demands measured during HI-LO and STEP aerobics classes, and also to establish any possible differences between these two aerobic dance programmes by monitoring the same parameters. Twenty-three female students, aged 18-20 years, experienced aerobic dancers, participated in both the HI-LO and STEP aerobics sessions. The heart rate (average HR per session) and lactic acid concentration values were measured during both classes. The obtained average values of the heart rate and blood lactate offered no evidence of differences between the HI-LO and STEP aerobics programmes in the observed parameters. Nevertheless, the results revealed a relative disproportion in the values of these two parameters, characterized by the relatively higher heart rate values than expected in relation to the blood lactate concentration values. This can be explained, as has been done in some previous research studies, by the exerted influence of the disturbed body hemodynamic balance (caused by the extensive overhead arm motions) and by emotional excitement. The results of the present research suggest the conclusion that both the HI-LO and STEP aerobics programmes were energetically equally demanding. Therefore, it could be recommended that participants should choose individually the programme they wish to be engaged in just according to their preferences, Further investigations are needed to determine any possible (anthropological) predictive values of load intensity of the respective aerobic programmes.
Ključne riječi
STEP aerobics, HI-LO aerobics, female participants, heart rate, blood lactate
Hrčak ID:
257023
URI
Datum izdavanja:
4.5.2001.
Posjeta: 424 *