Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women

Shun Takagi; Ryotaro Kime; Masatsugu Niwayama; Takuya Osada; Norio Murase; Shizuo Sakamoto; Toshihito Katsumura

doi:10.1007/978-1-4939-3023-4_7

Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women

Shun Takagi, Ryotaro Kime, Masatsugu Niwayama, Takuya Osada, Norio Murase, Shizuo Sakamoto, Toshihito Katsumura

School of Sport Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Muscle O₂ dynamics during ramp cycling exercise were compared between aerobic capacity-matched elderly men (n=8, age 65±2 years) and women (n=8, age 66±3 years). Muscle O2 saturation (SmO₂) and relative change in deoxygenated (Δdeoxy-Hb) and total hemoglobin concentration (Δtotal-Hb) were monitored continuously during exercise in the vastus lateralis (VL) and gastrocnemius medialis (GM) by near infrared spatial resolved spectroscopy. SmO2 was significantly higher during exercise in women than in men in VL, but not in GM. In VL, Δdeoxy-Hb and Δtotal-Hb were significantly higher in men than in women, especially during high intensity exercise. However, no significant difference was observed in Δdeoxy-Hb or Δtotal-Hb in GM. Sex-related differences in muscle deoxygenation response may be heterogeneous among leg muscles in elderly subjects.

Original language	English
Title of host publication	Oxygen Transport to Tissue XXXVII
Editors	Clare E. Elwell, Terence S. Leung, David K. Harrison
Publisher	Springer New York LLC
Pages	55-61
Number of pages	7
ISBN (Print)	9781493930227
DOIs	https://doi.org/10.1007/978-1-4939-3023-4_7
Publication status	Published - 2016
Event	42nd Annual Meeting of International Society on Oxygen Transport to Tissue - London, United Kingdom Duration: 2014 Jun 28 → 2014 Jul 3

Publication series

Name	Advances in Experimental Medicine and Biology
Volume	876
ISSN (Print)	0065-2598
ISSN (Electronic)	2214-8019

Other

Other	42nd Annual Meeting of International Society on Oxygen Transport to Tissue
Country	United Kingdom
City	London
Period	14/6/28 → 14/7/3

Keywords

Aging
Cycling exercise
Muscle oxygen dynamics
Near infrared spectroscopy
Regional difference

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)

Access to Document

10.1007/978-1-4939-3023-4_7

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Cite this

Takagi, S., Kime, R., Niwayama, M., Osada, T., Murase, N., Sakamoto, S., & Katsumura, T. (2016). Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women. In C. E. Elwell, T. S. Leung, & D. K. Harrison (Eds.), Oxygen Transport to Tissue XXXVII (pp. 55-61). (Advances in Experimental Medicine and Biology; Vol. 876). Springer New York LLC. https://doi.org/10.1007/978-1-4939-3023-4_7

Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women. / Takagi, Shun; Kime, Ryotaro; Niwayama, Masatsugu; Osada, Takuya; Murase, Norio; Sakamoto, Shizuo; Katsumura, Toshihito.

Oxygen Transport to Tissue XXXVII. ed. / Clare E. Elwell; Terence S. Leung; David K. Harrison. Springer New York LLC, 2016. p. 55-61 (Advances in Experimental Medicine and Biology; Vol. 876).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Takagi, S, Kime, R, Niwayama, M, Osada, T, Murase, N, Sakamoto, S & Katsumura, T 2016, Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women. in CE Elwell, TS Leung & DK Harrison (eds), Oxygen Transport to Tissue XXXVII. Advances in Experimental Medicine and Biology, vol. 876, Springer New York LLC, pp. 55-61, 42nd Annual Meeting of International Society on Oxygen Transport to Tissue, London, United Kingdom, 14/6/28. https://doi.org/10.1007/978-1-4939-3023-4_7

Takagi S, Kime R, Niwayama M, Osada T, Murase N, Sakamoto S et al. Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women. In Elwell CE, Leung TS, Harrison DK, editors, Oxygen Transport to Tissue XXXVII. Springer New York LLC. 2016. p. 55-61. (Advances in Experimental Medicine and Biology). https://doi.org/10.1007/978-1-4939-3023-4_7

Takagi, Shun ; Kime, Ryotaro ; Niwayama, Masatsugu ; Osada, Takuya ; Murase, Norio ; Sakamoto, Shizuo ; Katsumura, Toshihito. / Sex-related difference in muscle deoxygenation responses between aerobic capacity-matched elderly men and women. Oxygen Transport to Tissue XXXVII. editor / Clare E. Elwell ; Terence S. Leung ; David K. Harrison. Springer New York LLC, 2016. pp. 55-61 (Advances in Experimental Medicine and Biology).

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AB - Muscle O2 dynamics during ramp cycling exercise were compared between aerobic capacity-matched elderly men (n=8, age 65±2 years) and women (n=8, age 66±3 years). Muscle O2 saturation (SmO2) and relative change in deoxygenated (Δdeoxy-Hb) and total hemoglobin concentration (Δtotal-Hb) were monitored continuously during exercise in the vastus lateralis (VL) and gastrocnemius medialis (GM) by near infrared spatial resolved spectroscopy. SmO2 was significantly higher during exercise in women than in men in VL, but not in GM. In VL, Δdeoxy-Hb and Δtotal-Hb were significantly higher in men than in women, especially during high intensity exercise. However, no significant difference was observed in Δdeoxy-Hb or Δtotal-Hb in GM. Sex-related differences in muscle deoxygenation response may be heterogeneous among leg muscles in elderly subjects.

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