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Oxygen Consumption and Metabolic Equivalents during Ruesi Dadton
Stretching Exercise in Healthy Females

Chanitda Buabkhom, Patchara Poomduang, Sudaporn Punchai, Tararut Kittitrakarn,
Waroonapa Srisopahb, Taweewat Wiangkham, Weerapong Chidnok*
Exercise and Rehabilitation Sciences Research Unit, Department of Physical Therapy,
Faculty of Allied Health Sciences, Naresuan University, Phitsanulok 65000, Thailand
*Corresponding author: weerapongch@nu.ac.th

Abstract
The purpose of this study was to investigate the oxygen uptake response and metabolic equivalents
(METs, or energy consumption rates)) during Ruesi Dadton stretching exercise in 30 healthy female volun-
teers (mean age, 20.0 ± 0.9 yrs). After determining the peak oxygen uptake (VO ) with a ramp incremen-
2peak
tal cycling test, each participant underwent Ruesi Dadton stretching exercise (15 postures, 5 times per
posture), and before as well as during exercise, his/her oxygen uptake was measured using Cortex Biophysik,
Metalyzer. The oxygen uptake rate and MET were calculated for each posture; and a blood sample from the
fingertip was collected and analyzed to determine the blood lactate level over the last 20 s of baseline and
within 20 s of the termination of exercise. The results demonstrated that there was a significantly increased
oxygen uptake during the stretching exercise (ranging from 31.1 ± 7.5 to 58.5 ± 18.2% of VO ),
2peak
compared to the resting period (26.2 ± 6.4% of VO ) (p < 0.05). In addition, METs significantly
2peak
increased during the stretching exercise (ranging from 1.8 ± 0.4 to 3.1 ± 0.9), compared to the resting period
(1.4 ± 0.3, p < 0.05). There was a significant difference between baseline and after exercise blood lactate
levels (2.2 ± 0.3 vs 4.3 ± 1.8 mmol/l) (p < 0.05). These findings reveal that Ruesi Dadton stretching exercise
meets the requirements for an exercise of light-to-moderate intensity.

Key words: Ruesi Dadton Stretching Exercise, peak oxygen uptake, metabolic equivalents

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