Acute Responses of Core Muscle Activity during Bridge Exercises on the Floor vs. the Suspension System

Jim T. C. Luk, Freeman K. C. Kwok, Indy M. K. Ho and Del P. Wong
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Jim T. C. Luk: Department of Sports and Recreation, Technological and Higher Education Institute of Hong Kong (THEi), Hong Kong
Freeman K. C. Kwok: Department of Sports and Recreation, Technological and Higher Education Institute of Hong Kong (THEi), Hong Kong
Indy M. K. Ho: Department of Sports and Recreation, Technological and Higher Education Institute of Hong Kong (THEi), Hong Kong
Del P. Wong: School of Nursing and Health Studies, The Open University of Hong Kong, Hong Kong

IJERPH, 2021, vol. 18, issue 11, 1-13

Abstract: This study aimed to compare the neuromuscular activation of selected core musculature in supine and prone bridge exercises under stable versus suspended conditions. Forty-three healthy male participants were recruited to measure the electromyographic activities of the rectus abdominis (RA), lumbar multifidus (LM), thoracic erector spinae (TES), rectus femoris (RF), gluteus maximus (GM), and biceps femoris (BF) during supine and prone bridge exercises under six conditions: control, both arms and feet on the floor (Prone con and Supine con ); arms on the floor and feet on the suspension system (Prone-Feet suspension and Supine-Feet suspension ); and arms on the suspension system and feet on the floor (Prone-Arm suspension and Supine-Arm suspension ). Prone-Arm suspension yielded significantly higher activities in the RA, RF, TES, and LM than Prone-Feet suspension ( p < 0.01) and Prone con ( p < 0.001). Moreover, Supine-Feet suspension elicited significantly higher activities in the RA, RF, TES, LM, and BF than Supine-Arm suspension ( p < 0.01) and Supine con ( p < 0.001). Furthermore, Supine-Feet suspension elicited significantly higher activities in the RF, TES, and BF than Supine con ( p < 0.01). Therefore, if the RA and/or RF were the target training muscles, then Prone-Arm suspension was recommended. However, if the TES, LM, and/or BF were the target training muscles, then Supine-Feet suspension was recommended.

Keywords: surface EMG; prone bridge; supine bridge; unstable surface; plank (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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