Metabolic and hormonal responses to low-impact aerobic dance during pregnancy

Robert G. McMurray, Anthony C. Hackney, Willie Kent Guion, Vern L. Katz

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This study examined the plasma glucose, free fatty acids (NEFA), lactate, triglyceride, cortisol, and insulin responses of pregnant women (22-28 wk) to a 40-min aerobic dance program and 40-min treadmill walking at similar heart rate intensities. The heart rates during exercise averaged 135 ± 5 bt-min- 1 for both trials. Immediate post-exercise plasma glucose levels were lower than resting levels for both exercise trials (P < 0.05), and remained below resting levels 20 min after exercise. Plasma triglycerides and NEFA were increased immediately post-exercise (P < 0.05), and returned toward rest 20 min after exercise. The NEFA responses at the end of the walking trials were significantly greater than at the end of the aerobic dance trials (P < 0.05). For both trials, immediate post-exercise plasma insulin levels were below resting levels (P < 0.05) and remained attenuated 20 min post-exercise. Plasma cortisol concentrations were unchanged throughout the aerobic dance trial. However, a mean increase of 105 nmol · l-1 immediately post- exercise was evident during the walking trials (P < 0.05). The results suggest that 40 min of walking or aerobic dance reduces blood glucose but does not cause hypoglycemia. Further, the results suggest that 40 min of walking or aerobic dance does not expose the mother to serious metabolic consequences that might adversely affect the fetus.

Original languageEnglish (US)
Pages (from-to)41-46
Number of pages6
JournalMedicine and Science in Sports and Exercise
Volume28
Issue number1
DOIs
StatePublished - Jan 31 1996

Fingerprint

Exercise
Pregnancy
Walking
Nonesterified Fatty Acids
Hydrocortisone
Triglycerides
Heart Rate
Insulin
Glucose
Hypoglycemia
Blood Glucose
Pregnant Women
Lactic Acid
Fetus
Mothers

Keywords

  • CORTISOL
  • EXERCISE
  • GLUCOSE
  • INSULIN
  • LIPIDS
  • PREGNANCY

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Metabolic and hormonal responses to low-impact aerobic dance during pregnancy. / McMurray, Robert G.; Hackney, Anthony C.; Guion, Willie Kent; Katz, Vern L.

In: Medicine and Science in Sports and Exercise, Vol. 28, No. 1, 31.01.1996, p. 41-46.

Research output: Contribution to journalArticle

McMurray, Robert G. ; Hackney, Anthony C. ; Guion, Willie Kent ; Katz, Vern L. / Metabolic and hormonal responses to low-impact aerobic dance during pregnancy. In: Medicine and Science in Sports and Exercise. 1996 ; Vol. 28, No. 1. pp. 41-46.
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