Investigating the adaptation of muscle oxygenation to resistance training for elders and young men using near-infrared spectroscopy

Tai You Lin, Li-Chuan Lin, Ting Chuan Ho, Jia-Jin Chen

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5 Citations (Scopus)

Abstract

Purpose: The purpose of this study was to investigate the differences in resistance training adaptation on muscle oxygenation between young and elderly subjects. Groups of eleven trained young, untrained young, trained elderly, and untrained elderly (UTE) were recruited. Methods: Muscle oxygenation of the vastus lateralis muscle during 20 % maximal voluntary isometric contraction was observed using near-infrared spectroscopy. The oxygen saturation (SpO 2) kinetics in the contraction and recovery phases was modeled with a tangential model to extract ΔSpO2 and inflection time (IF). The median frequencies of SpO2 data representing the change of tissue oxygenation oscillation were compared. Results: The ΔSpO2 values for the trained groups (12.00 ± 7.86 %) were significantly higher than those for the untrained groups (5.91 ± 4.36 %, P < 0.05), and those for the young groups (11.63 ± 7.52 %) were significantly higher than those for the older groups (6.29 ± 4.70 %, P < 0.05). In the recovery phase, the IF was significantly longer for the elderly groups (10.32 ± 4.39 s, P < 0.05) than that for the young groups (6.31 ± 3.69 s). The median frequency of tissue oxygenation oscillation was significantly lower for the TE group (0.41 ± 0.12 Hz, P < 0.05) than that for the UTE group (0.57 ± 0.13 Hz). Conclusions: The increased ΔSpO 2 in trained groups during muscle contraction may be due to lower microvascular O2 pressure. The lower median frequency for the TE group indicates that tissue oxygenation oscillation significantly trended toward low-frequency oscillation, possibly resulting from the enhancement of vascular function.

Original languageEnglish
Pages (from-to)187-196
Number of pages10
JournalEuropean Journal of Applied Physiology
Volume114
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1

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Near-Infrared Spectroscopy
Resistance Training
Muscles
Isometric Contraction
Quadriceps Muscle
Muscle Contraction
Blood Vessels
Oxygen
Pressure

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physiology (medical)

Cite this

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title = "Investigating the adaptation of muscle oxygenation to resistance training for elders and young men using near-infrared spectroscopy",
abstract = "Purpose: The purpose of this study was to investigate the differences in resistance training adaptation on muscle oxygenation between young and elderly subjects. Groups of eleven trained young, untrained young, trained elderly, and untrained elderly (UTE) were recruited. Methods: Muscle oxygenation of the vastus lateralis muscle during 20 {\%} maximal voluntary isometric contraction was observed using near-infrared spectroscopy. The oxygen saturation (SpO 2) kinetics in the contraction and recovery phases was modeled with a tangential model to extract ΔSpO2 and inflection time (IF). The median frequencies of SpO2 data representing the change of tissue oxygenation oscillation were compared. Results: The ΔSpO2 values for the trained groups (12.00 ± 7.86 {\%}) were significantly higher than those for the untrained groups (5.91 ± 4.36 {\%}, P < 0.05), and those for the young groups (11.63 ± 7.52 {\%}) were significantly higher than those for the older groups (6.29 ± 4.70 {\%}, P < 0.05). In the recovery phase, the IF was significantly longer for the elderly groups (10.32 ± 4.39 s, P < 0.05) than that for the young groups (6.31 ± 3.69 s). The median frequency of tissue oxygenation oscillation was significantly lower for the TE group (0.41 ± 0.12 Hz, P < 0.05) than that for the UTE group (0.57 ± 0.13 Hz). Conclusions: The increased ΔSpO 2 in trained groups during muscle contraction may be due to lower microvascular O2 pressure. The lower median frequency for the TE group indicates that tissue oxygenation oscillation significantly trended toward low-frequency oscillation, possibly resulting from the enhancement of vascular function.",
author = "Lin, {Tai You} and Li-Chuan Lin and Ho, {Ting Chuan} and Jia-Jin Chen",
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T1 - Investigating the adaptation of muscle oxygenation to resistance training for elders and young men using near-infrared spectroscopy

AU - Lin, Tai You

AU - Lin, Li-Chuan

AU - Ho, Ting Chuan

AU - Chen, Jia-Jin

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Purpose: The purpose of this study was to investigate the differences in resistance training adaptation on muscle oxygenation between young and elderly subjects. Groups of eleven trained young, untrained young, trained elderly, and untrained elderly (UTE) were recruited. Methods: Muscle oxygenation of the vastus lateralis muscle during 20 % maximal voluntary isometric contraction was observed using near-infrared spectroscopy. The oxygen saturation (SpO 2) kinetics in the contraction and recovery phases was modeled with a tangential model to extract ΔSpO2 and inflection time (IF). The median frequencies of SpO2 data representing the change of tissue oxygenation oscillation were compared. Results: The ΔSpO2 values for the trained groups (12.00 ± 7.86 %) were significantly higher than those for the untrained groups (5.91 ± 4.36 %, P < 0.05), and those for the young groups (11.63 ± 7.52 %) were significantly higher than those for the older groups (6.29 ± 4.70 %, P < 0.05). In the recovery phase, the IF was significantly longer for the elderly groups (10.32 ± 4.39 s, P < 0.05) than that for the young groups (6.31 ± 3.69 s). The median frequency of tissue oxygenation oscillation was significantly lower for the TE group (0.41 ± 0.12 Hz, P < 0.05) than that for the UTE group (0.57 ± 0.13 Hz). Conclusions: The increased ΔSpO 2 in trained groups during muscle contraction may be due to lower microvascular O2 pressure. The lower median frequency for the TE group indicates that tissue oxygenation oscillation significantly trended toward low-frequency oscillation, possibly resulting from the enhancement of vascular function.

AB - Purpose: The purpose of this study was to investigate the differences in resistance training adaptation on muscle oxygenation between young and elderly subjects. Groups of eleven trained young, untrained young, trained elderly, and untrained elderly (UTE) were recruited. Methods: Muscle oxygenation of the vastus lateralis muscle during 20 % maximal voluntary isometric contraction was observed using near-infrared spectroscopy. The oxygen saturation (SpO 2) kinetics in the contraction and recovery phases was modeled with a tangential model to extract ΔSpO2 and inflection time (IF). The median frequencies of SpO2 data representing the change of tissue oxygenation oscillation were compared. Results: The ΔSpO2 values for the trained groups (12.00 ± 7.86 %) were significantly higher than those for the untrained groups (5.91 ± 4.36 %, P < 0.05), and those for the young groups (11.63 ± 7.52 %) were significantly higher than those for the older groups (6.29 ± 4.70 %, P < 0.05). In the recovery phase, the IF was significantly longer for the elderly groups (10.32 ± 4.39 s, P < 0.05) than that for the young groups (6.31 ± 3.69 s). The median frequency of tissue oxygenation oscillation was significantly lower for the TE group (0.41 ± 0.12 Hz, P < 0.05) than that for the UTE group (0.57 ± 0.13 Hz). Conclusions: The increased ΔSpO 2 in trained groups during muscle contraction may be due to lower microvascular O2 pressure. The lower median frequency for the TE group indicates that tissue oxygenation oscillation significantly trended toward low-frequency oscillation, possibly resulting from the enhancement of vascular function.

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