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This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic.

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Presentation on theme: "This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic."— Presentation transcript:

1 This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees. J Rehabil Res Dev. 2012;49(8):1255–60. http://dx.doi.org/10.1682/JRRD.2011.04.0067 Slideshow Project DOI:10.1682/JRRD.2011.04.0067JSP Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees Takaaki Chin, MD; Ryosuke Kuroda, MD; Toshihiro Akisue, MD; Tetsuhiro Iguchi, MD; Masahiro Kurosaka, MD

2 This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees. J Rehabil Res Dev. 2012;49(8):1255–60. http://dx.doi.org/10.1682/JRRD.2011.04.0067 Slideshow Project DOI:10.1682/JRRD.2011.04.0067JSP Aim – Investigate energy consumption during prosthetic walking and physical fitness in older hip disarticulation (HD) subjects. Relevance – Increased energy consumption during prosthetic walking with high amputation is extreme and unavoidable. – Older HD subjects usually have difficulties recovering from a deconditioned state and maintaining physical fitness required to walk with a prosthesis.

3 This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees. J Rehabil Res Dev. 2012;49(8):1255–60. http://dx.doi.org/10.1682/JRRD.2011.04.0067 Slideshow Project DOI:10.1682/JRRD.2011.04.0067JSP Method Subjects: 7 unilateral HD amputees (average age 68). Portable telemetric system was used to measure energy consumption during prosthetic walking at each individual’s comfortable walking speed (CWS). Incremental exercise test was performed to evaluate fitness.

4 This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees. J Rehabil Res Dev. 2012;49(8):1255–60. http://dx.doi.org/10.1682/JRRD.2011.04.0067 Slideshow Project DOI:10.1682/JRRD.2011.04.0067JSP Results Average CWS: 30.5 ± 9.6 m/min. Average O 2 consumption rate: 18.3 ± 2.4 mL/kg/min. Average O 2 cost: 0.639 ± 0.165 mL/kg/m. Maximum O 2 uptake as proportion of predicted maximum O 2 uptake (%VO2max): 57.2 ± 11.1. Community outcomes: – 5 subjects continued prosthetic walking. %VO2max : 55.8 to 72.0. – 2 subjects abandoned prosthetic walking. Lower %VO2max of 43.3 and 44.2.

5 This article and any supplementary material should be cited as follows: Chin T, Kuroda R, Akisue T, Iguchi T, Kurosaka M. Energy consumption during prosthetic walking and physical fitness in older hip disarticulation amputees. J Rehabil Res Dev. 2012;49(8):1255–60. http://dx.doi.org/10.1682/JRRD.2011.04.0067 Slideshow Project DOI:10.1682/JRRD.2011.04.0067JSP Conclusion Energy consumption during prosthetic walking at CWS seemed not to be excessive. Older HD amputees in good physical condition successfully walked with prosthesis in community setting. Lower level of fitness appears to make community walking prohibitive.

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