The Effect of Exercise Postural Position on Oxygen Uptake and Heart Rate during Submaximal and Maximal Exercise

Yuasa, Kagemoto; Fukunaga, Tetsuo; Tsunoda, Naoya; Asahina, Kazuo; Fujimatsu, Hiroshi; Hirata, Toshihiko

doi:10.5432/jjpehss.kj00003392705

Cited by 2 publications

(4 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Participants entered the laboratory wherein the temperature and humidity were maintained at 23°C and 3 0 4 0 % and drank either the decaffeinated or caffeinated beverage (Costill, et al, 1978;Graham, et al, 1998;Graham, 2OOIb). They performed submaximal endurance exer-cises with 60% of iT02 max (Izawa, 1993;Yuzawa, Fukunaga, Kakuda, Asahina, Fujimatsu, & Hirata, 1990) for 60 rnin., following nonloaded pedaling (0 watt) for 3 min. and 60 min.…”

Section: Methodsmentioning

confidence: 99%

Effect of Coffee Ingestion on Physiological Responses and Ratings of Perceived Exertion during Submaximal Endurance Exercise

2007

View full text Add to dashboard Cite

This study examined the effect of coffee ingestion on physiological responses and ratings of perceived exertion (RPE) during submaximal endurance exercises by 10 healthy young adults. Participants performed a submaximal endurance cycling exercise corresponding to 60% of maximum oxygen uptake capacity for 60 min. They drank either caffeinated coffee with a caffeine content of 6 mg/kg body-mass of each participant (Caf) or a decaffeinated coffee (Dec) 60 min. before starting exercise. Participants participated in the blind design experiment under both conditions at a one-week interval. Oxygen uptake, respiratory exchange ratio, heart rate, RPE, and plasma lactate concentration were measured during the endurance exercise. The RPE under the Caffeinated coffee condition during the last 60 min. of endurance exercise was significantly lower than that in the Decaffeinated coffee condition. However, no significant differences in any physiological response were observed between conditions. Thus, caffeine ingestion 60 min. before starting exercise had an insignificant effect on the physiological responses, except for RPE during submaximal endurance exercises for 60 min. Caffeine ingestion before endurance exercise of relatively low intensity may have a beneficial effect on psychological responses.

show abstract

Section: Methodsmentioning

confidence: 99%

Effect of Coffee Ingestion on Physiological Responses and Ratings of Perceived Exertion during Submaximal Endurance Exercise

2007

View full text Add to dashboard Cite

show abstract

“…position [2][3][4][5][6][7][8] . In general, the AT and peak VO2, which are determined from cardiopulmonary exercise testing, were lower in the supine position than in the upright position 5)8) .…”

Section: Discussionmentioning

confidence: 99%

“…Generally, it has been reported that work performance in incremental exercise is enhanced in the upright position as . compared with the supine position [3][4][5] . In addition, Peak VO2 and/or AT were significantly higher in the upright position than in the supine position 5)8) .…”

mentioning

confidence: 99%

See 1 more Smart Citation

Cardiopulmonary Responses at Various Angles of Cycle Backrest Inclination.

Yamada

Tanabe

Izawa

et al. 1999

J Jpn Phys Ther Assoc

View full text Add to dashboard Cite

Abstract. The purpose of this study was to evaluate cardiopulmonary responses during submaximal cycle exercise at various angles of backrest inclination. Ten healthy Japanese men of mean age 25.9 yrs, height 170.6 cm, and body mass 66.1 kg, performed cycle exercises at a constant workload which reached the anaerobic threshold, at 20 degrees, 40 degrees, and 60 degrees of backrest inclination from the vertical plane, but the angle between the seat and back rest was kept at 110 degrees. The results were as follows: 1) Both cardiac output and stroke volume showed a higher value at the resting control state and during exercise as the backrest angle increased. 2) Oxygen consumption, carbon dioxide output, heart rate, gas exchange ratio, and oxygen pulse were not affected by the angle of backrest inclination. 3) Tidal volume at 20 degrees of backrest inclination was higher than at 60 degrees. 4) No significant differences were found in minute ventilation between each backrest angle. These findings suggest that changes in the backrest angle significantly alter cardiopulmonary parameters at rest and during exercise; in particular, an angle difference of 40 degrees may be enough to alter tidal volume, cardiac output and stroke volume, but not the minute ventilation.

show abstract

The Effect of Exercise Postural Position on Oxygen Uptake and Heart Rate during Submaximal and Maximal Exercise

Cited by 2 publications

References 0 publications

Effect of Coffee Ingestion on Physiological Responses and Ratings of Perceived Exertion during Submaximal Endurance Exercise

Effect of Coffee Ingestion on Physiological Responses and Ratings of Perceived Exertion during Submaximal Endurance Exercise

Cardiopulmonary Responses at Various Angles of Cycle Backrest Inclination.

Contact Info

Product

Resources

About