스피닝 3개월 차가 알려주는, 살 빠지는 유산소 운동의 진짜 효과

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이 운동, 왜 갑자기 핫해진 걸까? 작년 11월, 친구가 "스피닝 한 번 같이 가보자"고 했을 때 나는 대충 "실내 자전거 타는 거 아니야?"라고 생각했다. 헬스장에 있는 그 흔한 실내 자전거, 앉아서 페달만 돌리면 되는 거잖아. 지루할 게 뻔했다. 하지만 막상 가보니 내가 완전히 착각하고 있었다. 스피닝은 그냥 자전거 타는 게 아니다. 음악에 맞춰 저항을 조절하고, 일어서서 페달을 밟고, 트레이너의 구호에 따라 속도를 올렸다 내렸다 하는 그야말로 '전신 운동'이다. 특히 40분 수업 하나 끝나고 나면 온몸에서 땀이 비 오듯 흐르는데, 내가 평소에 1시간 런닝머신 해도 이 정도로 땀 흘리지 않는다는 사실을 깨달았다. 최근 우리나라 피트니스 센터들 사이에서 스피닝이 급부상한 데는 다 이유가 있다. 우리나라소비자원 조사에 따르면 2023년 기준 스피닝 관련 프로그램 이용자가 전년 대비 37% 증가했다. 바쁜 현대인들이 짧은 시간에 최대 효과를 원하기 때문이다. 1시간에 400-600kcal를 소모할 수 있다는 건 일반 조깅(약 300-400kcal)보다 월등하다. 게다가 700kcal 이상도 가능하다는 연구 결과도 있다. 운동 종류 1시간 소모 칼로리 (체중 70kg 기준) 특징 걷기 (보통 속도) 200-250kcal 관절 부담 낮음, 시간 대비 효율 낮음 조깅 (시속 8km) 350-400kcal 심폐 지구력 향상, 무릎 부담 있음 스피닝 (보통 강도) 400-600kcal 전신 근력 + 유산소, 관절 부담 적음 스피닝 (고강도 인터벌) 600-800kcal 지방 연소 극대화, 단시간 고효율 내 경험상, 처음 시작할 때는 "이게 뭐 대단하겠어" 싶다가도 20분쯤 지나면 심장이 터질 것 같은 느낌이 든다. 하지만 그게 바로 스피닝의 매력이다. 지루할 틈이 없다. 음악이 바뀌고, 트레이너가 "자, 이제 스프린트!...

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