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Full-Text Articles in Life Sciences
Forearm Emg During Rock Climbing Differs From Emg During Handgrip Dynamometry, Phillip B. Watts, Randall L. Jensen, Edward Gannon, Randy Kobeinia, Jeremy Maynard, Jennifer Sansom
Forearm Emg During Rock Climbing Differs From Emg During Handgrip Dynamometry, Phillip B. Watts, Randall L. Jensen, Edward Gannon, Randy Kobeinia, Jeremy Maynard, Jennifer Sansom
International Journal of Exercise Science
Grip force, as measured via handgrip dynamometry, is often given importance in the study of rock climbing performance. Whether handgrip dynamometry produces a degree of muscle activation comparable to actual climbing has not been reported. Furthermore, the degree and variability of muscle activation for various configurations during climbing are unknown. The purpose of this study was to record forearm EMG responses for six hand configurations during climbing and to compare these responses to a maximum handgrip test. Five experienced climbers signed informed consent to participate in the study. Subjects performed four moves up (UP) and down (DN) on an overhanging …
The Effects Of Nutritional Supplement, Mass Fx™, On Muscular Strength, Body Composition, And Blood Chemistries In Resistance Trained Adult Males, Patrick S. Dib
The Effects Of Nutritional Supplement, Mass Fx™, On Muscular Strength, Body Composition, And Blood Chemistries In Resistance Trained Adult Males, Patrick S. Dib
Browse all Theses and Dissertations
The purpose of this study was to determine the effects of a nutritional supplement, Mass FX, on muscular strength, body composition, and blood chemistries in resistance-trained adult males. Eight subjects, mean age 25 +/- 3.02 years, were randomly assigned to two groups (n=4). Each group was given either Mass FX or a Placebo in a double-blind manner to be taken orally for six weeks (4caps/day regardless of bodyweight). For the duration of the study, both groups were following the same training program and a diet customized to each subject's bodyweight in conjunction to the supplementation. Data were analyzed using Analysis …
The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester
The Use Endocrine Markers To Predict And Monitor Performance In Strengh [Sic] And Power Activities, Jason B. Winchester
LSU Doctoral Dissertations
Hormones are typically considered to be chemical messengers, which are designed to be released from specific cells where they are carried to their target tissues for binding to receptors. It is this binding of a hormone molecule to its specific receptor which allows for an action to occur (Hadley and Levine 2006). Testosterone is the predominant androgen in the majority of mammalian species and is largely responsible for regulation of reproduction and maintenance of sexual function. In addition, in adult mammals, T has multiple other roles including the growth of muscle and bone, hematopoesis, blood coagulation, development and regulation of …