Open Access. Powered by Scholars. Published by Universities.®

Sports Medicine Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 3 of 3

Full-Text Articles in Sports Medicine

The Effects Of Strength Training On Isometric Force Production Symmetry In Recreationally Trained Males, Caleb D. Bazyler, Christopher A. Bailey, Chieh-Ying Chiang, Kimitake Sato, Michael H. Stone Mar 2019

The Effects Of Strength Training On Isometric Force Production Symmetry In Recreationally Trained Males, Caleb D. Bazyler, Christopher A. Bailey, Chieh-Ying Chiang, Kimitake Sato, Michael H. Stone

Michael H. Stone

Objectives: The purpose of this investigation was to determine what effect a bilateral strength training regimen has on isometric force production symmetry and if changes in force production symmetry can be accounted for by differences in pre-intervention strength levels. Design: Sixteen recreationally trained males (1-RM squat: 146.8 ± 23.0 kg.) were assigned to two groups for the 7-week training intervention: strong (S) and weak (W) based on pre-training squat isometric peak force allometrically scaled (IPFa) at 120° knee angle. Methods: Subjects completed a 7-week training intervention following a block-periodized model and were tested on measures of dynamic (1RM squat ...


Maximum Strength, Rate Of Force Development, Jump Height, And Peak Power Alterations In Weightlifters Across Five Months Of Training, W. Guy Hornsby, Jeremy A. Gentles, Christopher J. Macdonald, Satoshi Mizuguchi, Michael W. Ramsey, Michael H. Stone Mar 2019

Maximum Strength, Rate Of Force Development, Jump Height, And Peak Power Alterations In Weightlifters Across Five Months Of Training, W. Guy Hornsby, Jeremy A. Gentles, Christopher J. Macdonald, Satoshi Mizuguchi, Michael W. Ramsey, Michael H. Stone

Michael H. Stone

The purpose of this monitoring study was to investigate how alterations in training affect changes in force-related characteristics and weightlifting performance. Subjects: Seven competitive weightlifters participated in the study. Methods: The weightlifters performed a block style periodized plan across 20 weeks. Force plate data from the isometric mid-thigh pull and static jumps with 0 kg, 11 kg, and 20 kg were collected near the end of each training block (weeks 1, 6, 10, 13, 17, and 20). Weightlifting performance was measured at weeks 0, 7, 11, and 20. Results: Very strong correlations were noted between weightlifting performances and isometric rate ...


Biomechanical Difference Between Loaded Countermovement And Static Squat Jumps, S. G. S. Coleman, C. Karatzaferi, Michael H. Stone May 2001

Biomechanical Difference Between Loaded Countermovement And Static Squat Jumps, S. G. S. Coleman, C. Karatzaferi, Michael H. Stone

Michael H. Stone

It was the aim of this study to assess differences between countermovement (CMJ) and static (SJ) unloaded and loaded squat jumps. Eight male national/international level athletes and badminton players performed a series of jumps on two Kistler force plates. Maximum vertical force (Fmax) and rate of force development (RFDmax), net impulse (Impnet) and vertical take-off velocity (VT-O) were calculated and compared using a Two-Way (Jump x Load) ANOVA with two repeated factors. Fmax increased significantly with load and displayed a significant interaction with jump type. RFDmax showed significant jump main and interaction effects. Impnet only changed significantly with load ...