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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Start by biking slowly for 30 seconds and then cycling as fast as you can for the next 30 seconds. Keep alternating between fast and slow intervals for 20 minutes, and then bike at a steady pace for another 20 minutes.
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