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Predicting Barbell Release Speed from Peak Speed in the Bench Press Throw via a Linear Position Transducer
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Molly C. Henneberry; Dana Agar-Newman; Seth Lenetsky; Marc D. Klimstra – Measurement in Physical Education and Exercise Science, 2025
Upper body force-velocity profiles to assess musculoskeletal performance are created using release speed (RS) of the barbell in a bench press throw (BPT). A more easily obtained variable is peak speed (PS) measured by a linear position transducer. We assessed the validity of predicting RS from measured PS. One hundred and seventy-eight throws from…
Descriptors: Athletics, Human Body, Muscular Strength, Biomechanics
Is the Rate of Force Development Produced in the Squat Jump a Reliable Metric and Is It Related to Jump Height?
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Juliano Dal Pupo; Rafael Lima Kons; Rodrigo Ghedini Gheller; Carlos W. P. Gonçalves; Amilton Vieira – Measurement in Physical Education and Exercise Science, 2025
This study aimed to analyze the intrasession reliability of the rate of force development (RFD) in different time windows in squat jumps (SJ) performed at different knee starting angles, and identify the relationship of RFD with vertical jump height (VJH). Twenty male volleyball and basketball players participated. Athletes randomly performed SJ…
Descriptors: Physical Education, Athletics, Physical Activities, Males
Association between Dynamic Strength Index Derived from Isometric Squat and Squat Jump or Countermovement Jump and Force-Velocity Profile
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Jernej Pleša; Žiga Kozinc; Chris Bishop; Nejc Šarabon – Measurement in Physical Education and Exercise Science, 2024
We investigated the associations and differences between dynamic strength index (DSI) calculated from different types of vertical jump (countermovement jump; CMJ and squat jump; SJ) and different isometric knee joint angles (30, 60 and 90[degrees]), and associations with force-velocity (FV) profile and its constituent variables (maximal…
Descriptors: Muscular Strength, Human Body, Exercise, Motion
Reciprocal versus Nonreciprocal Assessment of Knee Flexors and Extensors in Concentric Actions Using the CON-TREX Multijoint Isokinetic Dynamometer: A Reliability Study
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Bliss, Alex; Dekerle, Jeanne – Measurement in Physical Education and Exercise Science, 2019
Knee flexor and extensor muscular assessment via isokinetic dynamometry is common practice and established in the research literature. However, reporting assessment methodology regarding reciprocal and nonreciprocal movements is often vague or absent. Such methodological issues are crucial for accurate assessments. Therefore, knee extensor and…
Descriptors: Motor Reactions, Muscular Strength, Males, Test Reliability
The Validity and Reliability of the "MyJump2" Application to Assess Vertical Jumps in Trained Junior Athletes
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Rogers, Simon A.; Hassmén, Peter; Hunter, Adam; Alcock, Alison; Crewe, Stewart T.; Strauts, Janina A.; Gilleard, Wendy L.; Weissensteiner, Juanita R. – Measurement in Physical Education and Exercise Science, 2019
This study aimed to assess the validity and reliability of jump assessments using the "MyJump2" application. Eleven junior athletes (15 ± 1.4 years) performed five countermovement (CMJ) and drop jumps (DJ) measured simultaneously by a force platform and "MyJump2." Additionally, intra- and inter-day reliability was assessed over…
Descriptors: Adolescents, Athletes, Measurement Equipment, Handheld Devices
Intra- and Inter-Rater Reliability of the Rate of Force Development of Hip Abductor Muscles Measured by Hand-Held Dynamometer
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Takeda, Kazuya; Tanabe, Shigeo; Koyama, Soichiro; Nagai, Tomoko; Sakurai, Hiroaki; Kanada, Yoshikiyo; Shomoto, Koji – Measurement in Physical Education and Exercise Science, 2018
The aim of this study was to clarify the intra- and inter-rater reliability of the rate of force development in hip abductor muscle force measurements using a hand-held dynamometer. Thirty healthy adults were separately assessed by two independent raters on two separate days. Rate of force development was calculated from the slope of the…
Descriptors: Interrater Reliability, Human Body, Measurement Equipment, Handheld Devices
Kinematic Analysis of the Standing Long Jump in Children 6- to 12-Years-Old
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Fernandez-Santos, Jorge R.; Gonzalez-Montesinos, Jose Luis; Ruiz, Jonatan R.; Jiménez-Pavón, David; Castro-Piñero, Jose – Measurement in Physical Education and Exercise Science, 2018
The purpose of this study was to analyze the kinematic variables that determine the performance of the standing long jump in children 6- to 12-years-old. There were 121 healthy children (58 girls) recorded while they performed the standing long jump test. All kinematic variables showed a significant correlation with calculated jump distance and…
Descriptors: Children, Preadolescents, Mechanics (Physics), Motion