1. Comparison of Cardiovascular Responses Between Upright and Recumbent Cycle Ergometers in Healthy Young Volunteers Performing Low-Intensity Exercise: Assessment of Reliability of the Oxygen Uptake Calculated by Using the ACSM Metabolic Equation 
Masakazu Saitoh, MS, Atsuhiko Matsunaga, PhD, Kentaro Kamiya, MS, Misao N. Ogura, MS, Junko Sakamoto, MS, Ryusuke Yonezawa, MS, Yusuke Kasahara, MS, Hiroyuki Watanabe, MS, Takashi Masuda, MD, PhD 
Archives of Physical Medicine and Rehabilitation 
Volume 86, Issue 5, Pages (May 2005)
DOI: /j.apmr
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2. Fig 1 (A) Upright cycle ergometer and (B) recumbent cycle ergometer.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3. Fig 2 The exercise protocol.
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Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4. Fig 3
Change in heart rate during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, heart rate in the upright position; □, heart rate in the recumbent position. Abbreviation: HR, heart rate.
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Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

5. Fig 4
Change in SBP and DBP during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, blood pressure in the upright position; □, blood pressure in the recumbent position. *P<.05 between upright and recumbent position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

6. Fig 5
Change in RPP during the exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, RPP in the upright position; □, RPP in the recumbent position. *P<.05 between upright and recumbent position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

7. Fig 6
Change in V̇o2 during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, V̇o2 in the upright position; □, V̇o2 in the recumbent position; Δ, estimated V̇o2 calculated by using the ACSM metabolic equation. *P<.05 between upright and recumbent position. †P<.05 between the V̇o2 measured in the upright position and the estimated V̇o2. ‡P<.05 between the V̇o2 measured in the recumbent position and the estimated V̇o2.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

8. Fig 7
Change in oxygen pulse during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, oxygen pulse in the upright position; □, oxygen pulse in the recumbent position. Abbreviation: O2 pulse, oxygen pulse. *P<.05 between upright and recumbent position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

9. Fig 8
Change in V̇co2 during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, V̇co2 in the upright position; □, V̇co2 in the recumbent position. *P<.05 between upright and recumbent position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

10. Fig 9
Change in V̇e during exercise in the upright and recumbent position. Values are mean ±1 SD. Legend: ○, V̇e in the upright position; □, V̇e in the recumbent position. *P<.05 between upright and recumbent position.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2005 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions