Effect of incline versus block heel-raise exercise on foot muscle strength and vertical jump performance – an 11-week randomized resistance training study

Dæhlin, Torstein E.; Kennedy, Michael D.; Rouhani, Hossein; Chiu, Loren Z.F.

doi:10.1080/14763141.2023.2176353

Cited by 1 publication

(2 citation statements)

References 43 publications

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“…Therefore, even if the multivariate ANOVA, univariate ANOVA, and Bonferroni's corrected t-test were all significant, but the difference was less than the minimum effect worth detecting, the difference would not be considered as meaningful. The importance of establishing the minimum effect worth detecting is based on recent experimental studies comparing exercises that have found no difference in training adaptations even when moderate effect size biomechanical differences exist between the exercises (6,9,15,16).…”

Section: Statistical Analysesmentioning

confidence: 99%

“…In some exercises, horizontal forces are also present in the interface between the weight and the lifter (28,29). The combination of 3D limb kinematics and triaxial forces is required to understand joint loading and muscular requirements during resistance exercise (5), which, combined with training intervention studies, provides evidence to support or refute the use of different variations (1,9,13,16,22).…”

Section: Practical Applicationsmentioning

confidence: 99%

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“Knees Out” or “Knees In”? Volitional Lateral vs. Medial Hip Rotation During Barbell Squats

Chiu

2023

Journal of Strength &Amp; Conditioning Research

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Chiu, LZF. “Knees out” or “Knees in”? Volitional lateral versus medial hip rotation during barbell squats. J Strength Cond Res 38(3): 435–443, 2024—Medial or lateral hip rotation may be present during barbell squats, which could affect the hip frontal and transverse plane moments. Male (n = 14) and female (n = 18) subjects performed squats using their normal technique and with volitional medial and lateral hip rotation. Hip net joint moments (NJM) were calculated from 3-dimensional motion capture and force platform measurements. Statistical significance was set for omnibus tests (α = 0.05) and Bonferroni’s corrected for pairwise comparisons (α t-test = 0.0056). Normal squats required hip extensor, adductor, and lateral rotator NJM. Lateral rotation squats had smaller hip extensor (p = 0.002) and lateral rotator (p < 0.001) NJM and larger hip adductor (p < 0.001) NJM than normal squats. Medial rotation squats had smaller hip extensor (p = 0.002) and adductor (p < 0.001) NJM and larger hip lateral rotator (p < 0.001) NJM than normal squats. These differences exceeded the minimum effects worth detecting. As gluteus maximus exerts hip extensor and lateral rotator moments, and the adductor magnus exerts hip extensor and adductor moments, these muscles combined would be required to meet these hip demands, supporting previous research that has established these muscles as the primary contributors to the hip extensor NJM. Lateral rotation squats reduce hip lateral rotator and increase hip adductor NJM, which may be hypothesized as preferentially loading adductor magnus. Medial rotation squats increase hip lateral rotator and decrease hip adductor NJM; therefore, this variant may shift loading to the gluteus maximus.

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Section: Statistical Analysesmentioning

confidence: 99%