Low volume aerobic training heightens muscle deoxygenation in early post-angina pectoris patients

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

doi:10.1007/978-3-319-38810-6_34

Low volume aerobic training heightens muscle deoxygenation in early post-angina pectoris patients

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

School of Sport Sciences

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

Abstract

The aim of this study was to investigate the effect of low volume aerobic exercise training on muscle O₂ dynamics during exercise in early post-angina pectoris (AP) patients, as a pilot study. Seven AP patients (age: 72 ± 6 years) participated in aerobic exercise training for 12 weeks. Training consisted of continuous cycling exercise for 30 min at the individual’s estimated lactate threshold, and the subjects trained for 15 ± 5 exercise sessions over 12 weeks. Before and after training, the subjects performed ramp cycling exercise until exhaustion. Muscle O₂ saturation (SmO₂) and relative changes from rest in deoxygenated hemoglobin concentration (ΔDeoxy-Hb) and total hemoglobin concentration (ΔTotal-Hb) were monitored at the vastus lateralis by near infrared spatial resolved spectroscopy during exercise. The SmO 2 was significantly lower and ΔDeoxy-Hb was significantly higher after training than before training, while there were no significant changes in ΔTotal-Hb. These results indicated that muscle deoxygenation and muscle O₂ extraction were potentially heightened by aerobic exercise training in AP patients, even though the exercise training volume was low.

Original language	English
Title of host publication	Oxygen Transport to Tissue XXXVIII
Publisher	Springer New York LLC
Pages	255-261
Number of pages	7
Volume	923
ISBN (Print)	9783319388083
DOIs	https://doi.org/10.1007/978-3-319-38810-6_34
Publication status	Published - 2016
Event	43rd Annual Meeting of the International Society on Oxygen Transport to Tissue, ISOTT 2015 - Wuhan, China Duration: 2015 Jul 11 → 2015 Jul 16

Publication series

Name	Advances in Experimental Medicine and Biology
Volume	923
ISSN (Print)	00652598
ISSN (Electronic)	22148019

Other

Other	43rd Annual Meeting of the International Society on Oxygen Transport to Tissue, ISOTT 2015
Country	China
City	Wuhan
Period	15/7/11 → 15/7/16

Keywords

Cycling training
Ischemic heart disease
Muscle O dynamics
Near infrared spectroscopy
Peak aerobic capacity

ASJC Scopus subject areas

Medicine(all)
Biochemistry, Genetics and Molecular Biology(all)

Access to Document

10.1007/978-3-319-38810-6_34

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Cite this

Takagi, S., Murase, N., Kime, R., Niwayama, M., Osada, T., & Katsumura, T. (2016). Low volume aerobic training heightens muscle deoxygenation in early post-angina pectoris patients. In Oxygen Transport to Tissue XXXVIII (Vol. 923, pp. 255-261). (Advances in Experimental Medicine and Biology; Vol. 923). Springer New York LLC. https://doi.org/10.1007/978-3-319-38810-6_34

Low volume aerobic training heightens muscle deoxygenation in early post-angina pectoris patients. / Takagi, Shun; Murase, Norio; Kime, Ryotaro; Niwayama, Masatsugu; Osada, Takuya; Katsumura, Toshihito.

Oxygen Transport to Tissue XXXVIII. Vol. 923 Springer New York LLC, 2016. p. 255-261 (Advances in Experimental Medicine and Biology; Vol. 923).

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

Takagi, S, Murase, N, Kime, R, Niwayama, M, Osada, T & Katsumura, T 2016, Low volume aerobic training heightens muscle deoxygenation in early post-angina pectoris patients. in Oxygen Transport to Tissue XXXVIII. vol. 923, Advances in Experimental Medicine and Biology, vol. 923, Springer New York LLC, pp. 255-261, 43rd Annual Meeting of the International Society on Oxygen Transport to Tissue, ISOTT 2015, Wuhan, China, 15/7/11. https://doi.org/10.1007/978-3-319-38810-6_34

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abstract = "The aim of this study was to investigate the effect of low volume aerobic exercise training on muscle O2 dynamics during exercise in early post-angina pectoris (AP) patients, as a pilot study. Seven AP patients (age: 72 ± 6 years) participated in aerobic exercise training for 12 weeks. Training consisted of continuous cycling exercise for 30 min at the individual{\textquoteright}s estimated lactate threshold, and the subjects trained for 15 ± 5 exercise sessions over 12 weeks. Before and after training, the subjects performed ramp cycling exercise until exhaustion. Muscle O2 saturation (SmO2) and relative changes from rest in deoxygenated hemoglobin concentration (ΔDeoxy-Hb) and total hemoglobin concentration (ΔTotal-Hb) were monitored at the vastus lateralis by near infrared spatial resolved spectroscopy during exercise. The SmO 2 was significantly lower and ΔDeoxy-Hb was significantly higher after training than before training, while there were no significant changes in ΔTotal-Hb. These results indicated that muscle deoxygenation and muscle O2 extraction were potentially heightened by aerobic exercise training in AP patients, even though the exercise training volume was low.",

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