Assertion: trampoline's bounce | /r/CapableOf | run in place
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text: Al Carter initially introduced the distinction between the “health bounce” (a gentle rocking motion that anyone in any state of health can do, which was said to stimulate the immune system), an “aerobic bounce” that involved elevating the heart rate (either running in place or dancing), and the “strength bounce,” which involved higher bouncing with both feet leaving the mat (leading to both abdominal and lower body strength directly as well as to the strengthening of all bodily cells through the accelerative force applied (see Claimed Benefits below).