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미국의 연구진들은 강제로 하는 운동도 자발적으로 하는 운동만큼이나 건강상에 도움이 된다는 사실을 발혔다.
미 콜로라도 대학 벤저민 그린우드 부교수는 사람들이 ’억지로’ 운동을 하더라도 건강상의 이점을 얻을 수 있는지에 관해 연구했다. 현재 많은 사람들, 예를 들어 학생들, 프로 운동선수들, 군인들 그리고 병원에서 운동 처방을 받은 환자들은 모두 ’강제로’ 운동을 해야만 하는 사람들이다.
그린우드와 동료 교수들은 총 6주 동안 특정 쥐들은 움직임을 적게 하고 나머지 쥐들은 쳇바퀴를 도는 운동을 하게 했다.
운동을 시킨 쥐들은 또 다시 두 그룹으로 나누어 한 그룹은 쥐들이 자유롭게 운동을 하게 하고, 나머지 그룹은 정해진 횟수만큼 돌아가게 되어 있는 쳇바퀴를 돌리게 했다. 단, 정해진 쳇바퀴의 회전 시간과 첫번째 그룹이 자발적으로 운동하는 시간을 동일하게 했다.
6주 후, 연구진들은 쥐들을 특정 스트레스 요인에 노출시켜 보고, 불안감과 우울증 수준을 측정했다.
그린우드 교수는 성명서를 통해 "쥐들이 강제로든 자발적으로든 운동을 하면 스트레스와 불안감 수준이 떨어지는 것으로 나타났다"고 밝혔다.
그는 "이번 연구는 운동을 ’억지로’한다고 생각하고 하는 사람들도 운동의 긍정적인 효과를 볼 수 있다는 점을 시사한다"고 덧붙였다.
연구 결과는 유럽 신경과학 저널(The European Journal of Neuroscience)에 실렸다. (코리아 헤럴드)
<관련 영문 기사>
Forced exercise reduces anxiety, depression
Rats forced to exercise in a study were protected against stress and anxiety the same as rats who ran without being forced, U.S. researchers say.
Benjamin Greenwood, an assistant research professor in University of Colorado at Boulder, said there was a question whether people reap the same mental benefits of exercise if they are forced to do -- as is common among high school, college and professional athletes, members of the military or those who have been prescribed an exercise regimen by their doctors.
Greenwood and colleagues, including Monika Fleshner, a professor in the same department, designed a lab experiment using rats. During a six-week period, some rats remained sedentary, while others exercised by running on a wheel.
The rats that exercised were divided into two groups that ran a roughly equal amount of time. One group ran whenever it chose to, while the other group ran on mechanized wheels that rotated according to a predetermined schedule. For the study, the motorized wheels turned on at speeds and for periods of time that mimicked the average pattern of exercise chosen by the rats that voluntarily exercised.
After six weeks, the rats were exposed to a laboratory stressor before testing their anxiety levels.
“Regardless of whether the rats chose to run or were forced to run they were protected against stress and anxiety,” Greenwood said in a statement. “The implications are that humans who perceive exercise as being forced -- perhaps including those who feel like they have to exercise for health reasons -- are maybe still going to get the benefits in terms of reducing anxiety and depression.”
The findings were published in the European Journal of Neuroscience.(UPI)
미 콜로라도 대학 벤저민 그린우드 부교수는 사람들이 ’억지로’ 운동을 하더라도 건강상의 이점을 얻을 수 있는지에 관해 연구했다. 현재 많은 사람들, 예를 들어 학생들, 프로 운동선수들, 군인들 그리고 병원에서 운동 처방을 받은 환자들은 모두 ’강제로’ 운동을 해야만 하는 사람들이다.
그린우드와 동료 교수들은 총 6주 동안 특정 쥐들은 움직임을 적게 하고 나머지 쥐들은 쳇바퀴를 도는 운동을 하게 했다.
운동을 시킨 쥐들은 또 다시 두 그룹으로 나누어 한 그룹은 쥐들이 자유롭게 운동을 하게 하고, 나머지 그룹은 정해진 횟수만큼 돌아가게 되어 있는 쳇바퀴를 돌리게 했다. 단, 정해진 쳇바퀴의 회전 시간과 첫번째 그룹이 자발적으로 운동하는 시간을 동일하게 했다.
6주 후, 연구진들은 쥐들을 특정 스트레스 요인에 노출시켜 보고, 불안감과 우울증 수준을 측정했다.
그린우드 교수는 성명서를 통해 "쥐들이 강제로든 자발적으로든 운동을 하면 스트레스와 불안감 수준이 떨어지는 것으로 나타났다"고 밝혔다.
그는 "이번 연구는 운동을 ’억지로’한다고 생각하고 하는 사람들도 운동의 긍정적인 효과를 볼 수 있다는 점을 시사한다"고 덧붙였다.
연구 결과는 유럽 신경과학 저널(The European Journal of Neuroscience)에 실렸다. (코리아 헤럴드)
<관련 영문 기사>
Forced exercise reduces anxiety, depression
Rats forced to exercise in a study were protected against stress and anxiety the same as rats who ran without being forced, U.S. researchers say.
Benjamin Greenwood, an assistant research professor in University of Colorado at Boulder, said there was a question whether people reap the same mental benefits of exercise if they are forced to do -- as is common among high school, college and professional athletes, members of the military or those who have been prescribed an exercise regimen by their doctors.
Greenwood and colleagues, including Monika Fleshner, a professor in the same department, designed a lab experiment using rats. During a six-week period, some rats remained sedentary, while others exercised by running on a wheel.
The rats that exercised were divided into two groups that ran a roughly equal amount of time. One group ran whenever it chose to, while the other group ran on mechanized wheels that rotated according to a predetermined schedule. For the study, the motorized wheels turned on at speeds and for periods of time that mimicked the average pattern of exercise chosen by the rats that voluntarily exercised.
After six weeks, the rats were exposed to a laboratory stressor before testing their anxiety levels.
“Regardless of whether the rats chose to run or were forced to run they were protected against stress and anxiety,” Greenwood said in a statement. “The implications are that humans who perceive exercise as being forced -- perhaps including those who feel like they have to exercise for health reasons -- are maybe still going to get the benefits in terms of reducing anxiety and depression.”
The findings were published in the European Journal of Neuroscience.(UPI)
