Does trunk and hip muscles strength predict performance during a core stability test?

Abstract

Background: A better understanding about the relationship between trunk and hip muscles strength and core stability may improve evaluation and interventions proposed to improve core stability. Objectives: To investigate if trunk and hip muscles strength predict pelvic posterior rotation during the bridge test with unilateral knee extension. Methods: This is a cross-sectional study. Sixty-one healthy individuals of both sexes (age, 28 ± 6.4 years, weight, 66.5 ± 10.9 kg, height, 167 ± 9.5 cm) performed the bridge test with unilateral knee extension. The pelvic posterior rotation during the bridge test was obtained with two-dimensional video analysis. Isometric strength of the trunk extensors and rotators, and hip abductors, external and internal rotators and extensors were measured with a handheld dynamometer. Multiple linear regression analysis was performed to identify if the strength variables could explain the pelvic posterior rotation during the test. Results: Muscle strength predicted pelvic posterior rotation during the bridge test (r = 0.54; p = 0.003). Strength of the trunk rotators (p = 0.045) and hip internal rotators (p = 0.015) predicted reduced magnitude of pelvic posterior rotation during the bridge test, and strength of the hip extensors (p = 0.003) predicted increased magnitude of pelvic posterior rotation.

Correlation between Core Stability and Upper-Extremity Performance in Male Collegiate Athletes

“…Core stability is the capability of controlling the position and motion of the trunk with the pelvis for optimum force generation, transfer and absorption from the proximal and distal segments during various activities [ 1 , 2 ]. The core is crucial in distributing forces between the torso and the extremities.…”

Lower limb kinematics and hip extensors strengths are associated with performance of runners at high risk of injury during the modified Star Excursion Balance Test

“…Second, maximal isometric strength may not be the best variable to improve understanding about the relationship between trunk and hip muscles' function and performance on this test. 36 Future studies should investigate the relationship between the mSEBT and different muscle functions, such as concentric and eccentric strength and endurance. Finally, ankle dorsiflexion ROM, hip adduction and flexion strengths and knee and ankle strength information could have improved our understanding about the relationship between strength and movement and the performance of mSEBT.…”

Kinanthropological Analysis of the Core

“…The nucleus consists of muscles located between the lower edge of the chest and the upper edge of the iliac bone (Akuthota et al, 2008;Cruz-Montecinos et al, 2019;Resende et al, 2019). The core musculature works like "a private strap" surrounding the lumbar region.…”

“…In scientific and professional papers, there are many synonyms used for core stability (Akuthota & Nadler, 2004;Bliss & Teeple, 2005). Generally, core stability encompasses the lumbar-pelvic complex and its ability to maintain spinal vertebral balance within its physiological borders by reducing perturbations and maintaining the integrity of the spinal structure (Panjabi, 2003;Liemohn, Baumgartner, & Gagnon, 2005;Willson, Dougherty, Ireland, & Davis, 2005;Smith et al, 2008;Resende et al, 2019). Stability is the ability to maintain proper posture and/or control of segment movement and general movement.…”