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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Lower Limb Muscle Activation In Young Adults Walking In Water And On Land, Christopher Long, Christopher J. Dakin, Sara A. Harper, Joonsun Park, Aaron Folau, Mark Crandall, Nathan Christensen, Talin Louder
Lower Limb Muscle Activation In Young Adults Walking In Water And On Land, Christopher Long, Christopher J. Dakin, Sara A. Harper, Joonsun Park, Aaron Folau, Mark Crandall, Nathan Christensen, Talin Louder
Kinesiology and Health Science Faculty Publications
Previous research has shown that exercise interventions requiring increased activation of the tibialis anterior (TA), the primary ankle dorsiflexor, can improve walking performance in individuals with foot drop. Correspondingly, heightened drag forces experienced during walking performed in water may augment TA activation during the swing phase of gait, potentially leading to improved walking gait on land. Therefore, this study aimed to compare surface electromyographic (sEMG) activation in the TA and medial gastrocnemius (GM) during gait performed in water versus on land. Thirty-eight healthy, recreationally active young adults, comprising 18 females and 20 males, participated in the study. Each participant completed …
Bioelectrical Impedance Changes Of The Trunk Are Opposite The Limbs Following Acute Hydration Change, Dale R. Wagner
Bioelectrical Impedance Changes Of The Trunk Are Opposite The Limbs Following Acute Hydration Change, Dale R. Wagner
Kinesiology and Health Science Faculty Publications
This study aimed to evaluate the changes in impedance and estimates of body composition variables obtained from segmental multi-frequency bioelectrical impedance analysis (SMFBIA) following acute hydration change. All participants (N = 11 active adults) had SMFBIA measurements at baseline (euhydration), post-dehydration, and post-hyperhydration in an experimental repeated-measures design. Dehydration and hyperhydration trials were randomized with the opposite treatment given 24 h later. Dehydration was achieved via a heat chamber of 40 °C and 60% relative humidity. Hyperhydration was achieved by drinking lightly-salted water (30 mmol·L-1 NaCl; 1.76 g NaCl·L-1) within 30 min. Post-measurements were taken 30 min …
Interdevice Reliability Of A-Mode Ultrasound To Measure Body Composition, Megan Bigler, Dale R. Wagner, R. Stephan Lowry
Interdevice Reliability Of A-Mode Ultrasound To Measure Body Composition, Megan Bigler, Dale R. Wagner, R. Stephan Lowry
Kinesiology and Health Science Faculty Publications
A-mode ultrasound is a noninvasive, rapid method for measuring subcutaneous fat thickness and estimating body fat percentage (%BF). Validity and reliability of the BodyMetrix BX2000 A-mode ultrasound has been reported; however, this study aimed to compare results from two machines to determine interdevice reliability. Ultrasound measures were repeated with two BX2000 machines at 10 body sites (chest, biceps, triceps, scapula, lower back, hip, waist, thigh, calf, axilla) on 42 males of varying age and leanness (age: 28.6±11.9 y, BMI: 25.4±4.6 kg/m2). The intraclass correlation coefficients ranged from 0.939 to 0.998 with standard errors of measurement from 0.31 to 0.58 mm …
Interrater Reliability Of Novice Examiners Using A-Mode Ultrasound And Skinfolds To Measure Subcutaneous Body Fat, Dale R. Wagner, Masaru Teramoto
Interrater Reliability Of Novice Examiners Using A-Mode Ultrasound And Skinfolds To Measure Subcutaneous Body Fat, Dale R. Wagner, Masaru Teramoto
Kinesiology and Health Science Faculty Publications
Examiners with minimal training and skill are often called upon to make body composition assessments using field methods. This study compared the interrater reliability of novice examiners for the skinfold (SKF) and A-mode ultrasound (US) methods of body composition assessment. Undergraduate Kinesiology majors (48 males, 32 females) with minimal training took both SKF and US measurements at three sites (males: chest, abdomen, thigh; females: triceps, suprailiac, thigh). Interrater reliability was significantly better for US compared to SKF at the thigh (ICCUS = 0.975, ICCSKF = 0.912) and abdomen (ICCUS = 0.984, ICCSKF = 0.693) for men …
Effect Of A Flying Versus Stationary Start On Wingate Test Outcomes Using An Electromagnetically-Braked Cycle Ergometer In Advanced Resistance-Trained Males, Nicolas W. Clark, Dale R. Wagner, Edward M. Heath
Effect Of A Flying Versus Stationary Start On Wingate Test Outcomes Using An Electromagnetically-Braked Cycle Ergometer In Advanced Resistance-Trained Males, Nicolas W. Clark, Dale R. Wagner, Edward M. Heath
Kinesiology and Health Science Faculty Publications
The purpose of this study was to compare power outputs of the flying start to the stationary start method on an electromagnetically–braked cycle ergometer. Twenty advanced resistance-trained men (age 24.6 ± 4.5 years; 25.4 ± 2.5 kg/m2) volunteered to participate in this study. A counter-balanced, repeated-measures design was utilized to randomly assign participants to either the flying start or the stationary start for their first Wingate test. Paired t tests were used to evaluate mean differences between start methods. Peak power (PP), mean power (MP), total work (TW), peak cadence (PC), mean cadence (MC), and time to reach …