最终，隔壁的“学生”会开始痛苦地敲打墙壁，恳求检查自己的心脏状况。
Eventually the actor would start banging on the wall that separated him from the subject, pleading about his heart condition.
科学家还不能确定潜在的趋势——但他们说极端运动改善心脏状况可能有所帮助。
Scientists are not yet sure what is behind this trend - but they say changes to the heart during extreme exercise could contribute.
每位志愿者都进行了5小时的测试，期间检查他们在休息或在跑步机上时的血压和心脏状况。
Each volunteer underwent five hours of tests to measure their blood pressure and the performance of their heart while at rest and while they exercised on a treadmill.
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