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Exercise prescription in pregnancy: weight-bearing versus non-weight-bearing exercise
R Artal1, D I Masaki, N Khodiguian
1Department of Obstetrics and Gynecology, University of Southern California School of Medicine, Los Angeles 90033.
American Journal of Obstetrics and Gynecology
|December 1, 1989
Abstract:
Bicycle ergometry (non-weight-bearing exercise) and treadmill (weight-bearing exercise) were compared to assess physiologic responses to similar work loads. A total of 22 subjects at 29.3 +/- 1.6 (+/- SEM) weeks' gestation who performed non-weight-bearing exercise were compared with 15 similarly fit subjects at 26.1 +/- 2.3 weeks' gestation who performed weight-bearing exercise at three submaximal levels. Measurements by indirect calorimetry indicate preferential carbohydrate use during non-weight-bearing exercise at submaximal levels.