PMC9086612_01
Changes in appearance over 10 years and changes in blood pressure during device use. (A) The method of passive handstand exercise. When using the device, the feet are placed in the foot retainer, and the support frame is held to lower the body upside down. (B-D) Participant's appearance in the 2009, 2013, and 2021 assessments. (E) Blood pressure changes (recorded every 2 min) before, during, and after a handstand are as follows: rest (BP1), moment before handstand (BP2), handstand for 2 min (BP3), handstand for 4 min (BP4), handstand for 6 min (BP5), handstand for 8 min (BP6), end of handstand exercise and return to normal position (BP7), rest at 2 min after the handstand (BP8), and rest at 4 min after the handstand (BP9). SBP, systolic blood pressure; DBP, diastolic blood pressure. Permission to utilize photographs was obtained.
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F1
The device includes a V-shaped support frame, a high bracket for handstand, and a foot retainer (Figure 1).