摘要：The purpose of this study was to examine the effect of changes in neck position on respiratory and circulatory responses during bridge exercise. Eight healthy persons repeated bridge exercise 30 times and their electrocardiogram, respiration depth, and respiratory rate were recorded. Results obtained were; 1) R-R interval (irrespective of neck position) became significantly shorter 1 min. after the initiation of the exercise, and the level was kept throughout the experimental period. R-R interval during the exercise was shorter with the neck flexed than with the neck in a neutral position. 2) Resting respiration rate was slightly higher with the neck flexed than with the neck in a neutral position, and respiratory rate during the exercise showeda similar change. 3) Respiration depth was increased by about 50 % with the neck in a neutral position and by about 10 % with the neck flexed 1 min, after the initiation of the exercise. These results indicate that bridge exercise from the posture with the neck flexed induces tachycardia, suggesting that the exercise may be contraindicated in patients who have circulatory disorder.
关键词：Bridge exercise; heart rate; blood pressure; healthy person
