Int J Sports Med 2024; 45(14): 1084-1090
DOI: 10.1055/a-2376-6255
Orthopedics & Biomechanics

Comparison of Isometric and Dynamic Bridging Exercises on Low Back Muscle Oxygenation

Cheng-Feng Lin
1   Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, United States
2   Department of Physical Therapy, National Cheng Kung University, Tainan, Taiwan
,
Jen-Chieh Liao
1   Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, United States
3   Department of Neurosurgery, Chi Mei Hospital Chiali, Tainan, Taiwan
,
Manuel Hernandez
4   Department of Biomedical and Translational Sciences, University of Illinois at Urbana-Champaign, Urbana, United States
,
Rahil Sadruddin
1   Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, United States
,
Suguna Pappu
5   Department of Neurosurgery, Carle Foundation Hospital, Urbana, United States
,
Yih-Kuen Jan
1   Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, United States
› Author Affiliations

Abstract

Bridging exercises are commonly performed by people with low back pain (LBP). However, the effect of the contraction mode in a bridging exercise on the hemodynamics of the low back muscle has not been investigated in people with and without LBP. The objective of this study was to assess the effect of the mode of bridging exercise on oxygenation of the low back muscle. A near-infrared spectroscopy was used to measure hemodynamic responses of the erector spinae between isometric and dynamic bridging exercises in 16 healthy participants. The results demonstrated that during exercise, the isometric bridging exercise significantly decreased oxyhemoglobin and deoxy-hemoglobin compared to the dynamic bridging exercise (oxyhemoglobin, t=− 3.109, p=0.007, Cohen’s d=0.68 and deoxy-hemoglobin, t=− 2.193, P=0.046, Cohen’s d=0.60). The results also demonstrated that after exercise, the dynamic bridging exercise induced a significantly higher oxygenation response (oxygenation, t=− 2.178, P=0.048, Cohen’s d=0.43). This study indicates that the dynamic bridging exercise is more effective in improving oxygenation of low back muscles.



Publication History

Received: 21 March 2024

Accepted: 29 July 2024

Accepted Manuscript online:
30 July 2024

Article published online:
11 September 2024

© 2024. Thieme. All rights reserved.

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