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10 results on '"Goss, Frederic"'

1. Ratings of perceived exertion in active muscle during high-intensity and low-intensity resistance exercise

Author

Gearhart, Randall E., Jr., Goss, Frederic L., Lagally, Kristen M., Jakicic, John M., Gallagher, Jere, Gallagher, Kara I., and Robertson, Robert J.

Subjects
Muscle contraction -- Physiological aspects, Weight training -- Physiological aspects, Body weight -- Measurement, Power (Mechanics) -- Measurement, Health, Sports and fitness
Abstract

This article investigates the relationship between perceived exertion and weight lifting intensity. An analysis of body weight, power output, and body fat measurements is presented.

Published
2002

2. Effect of potassium phosphate supplementation on perceptual and physiologic responses to maximal graded exercise

Author

Goss, Frederic, Robertson, Robert, Riechman, Steve, Zoeller, Robert, Dabayebeh, Ibrahim, Moyna, Niall, Boer, Nicholas, Peoples, Jennifer, and Metz, Kenneth

Subjects
Dietary supplements -- Physiological aspects, Runners (Sports) -- Physiological aspects, Potassium phosphates -- Physiological aspects, Treadmill exercise tests -- Usage, Exercise -- Physiological aspects, Perception -- Research, Food/cooking/nutrition, Sports and fitness
Abstract

This article examines the effects of oral potassium phosphate supplements on perceived exertion and physiological indicators in trained runners during graded treadmill tests. Findings indicate that there were no significant physiological differences between groups, but subjects who took oral supplements reported lower levels of perceived exertion than control subjects.

Published
2001

5. OMNI scale perceived exertion at ventilatory breakpoint in children: response normailzed

Author

Robertson, Robert J., Goss, Frederic L., Boeer, Nicholas, Gallagher, Jere D., Thompkins, Taylor, Bufalino, Karen, Balasekaran, G., Meckes, Cherie, Pintar, Jennifer, and Williams, Allison

Subjects
Children -- Physiological aspects, Heart beat -- Measurement, Exercise for children -- Physiological aspects, Aerobic exercises -- Physiological aspects, Oxygen consumption -- Physiological aspects, Fatigue -- Physiological aspects, Health, Sports and fitness
Abstract

This article investigates the relationship between oxygen consumption and exertion in children. An analysis of heart rate. tiredness, exercise intensity, and aerobic metabolism is presented.

Published
2001

6. Gender comparison of RPE at absolute and relative physiological criteria

Author

Robertson, Robert J., Moyna, Niall M., Sward, Kathy L., Millich, Nancy B., Goss, Frederic L., and Thompson, Paul D.

Subjects
Sex differences (Psychology) -- Research, Perception -- Research, Heart beat -- Measurement, Oxygen consumption -- Measurement, Exercise -- Physiological aspects, Psychological tests -- Usage, Health, Sports and fitness
Abstract

This article compares the levels of perceived exertion in physically fit males and females during intense aerobic exercise. Results indicate that there are no significant gender differences in physical exertion perception during exercise when comparisons are made using cardiovascular and metabolic physiological reference criteria.

Published
2000

7. Peak oxygen consumption and skeletal muscle bioenergetics in African-American and Caucasian men

Author

Suminski, Richard R., Robertson, Robert J., Goss, Frederic L., and Arslanian, Silva

Subjects
Bioenergetics -- Research, African American men -- Physiological aspects, Caucasian race -- Physiological aspects, Oxygen consumption -- Measurement, Striated muscle -- Physiological aspects, Aerobic exercises -- Physiological aspects, Nuclear magnetic resonance spectroscopy -- Usage, Ergometry -- Usage, Phosphorus in the body -- Measurement, Phosphocreatine -- Measurement, Health, Sports and fitness
Abstract

This study uses arm ergometry and phosphorous-nuclear magnetic resonance spectroscopy to compare oxidative metabolism in skeletal muscle and peak oxygen consumption in African-American and Caucasian men. Results indicate that African-American men had lower peak oxygen consumption levels and lower resting concentrations of phosphocreatine and phosphorous in skeletal muscles.

Published
2000

10. Evaluation of air displacement for assessing body composition of collegiate wrestlers.

Author

Utter AC, Goss FL, Swan PD, Harris GS, Robertson RJ, and Trone GA

Subjects
Adipose Tissue chemistry, Adolescent, Adult, Bias, Cross-Sectional Studies, Humans, Regression Analysis, Skinfold Thickness, United States, Weight Loss physiology, Body Composition physiology, Plethysmography, Whole Body, Wrestling physiology
Abstract

Purpose: To evaluate the accuracy of air displacement plethysmography (ADP) by using the BOD POD in comparison with hydrostatic weighing (HW) in a collegiate wrestling population in hydrated and acutely dehydrated states., Methods: Body composition was determined by ADP, HW, and three-site skinfolds (SK) in 66 NCAA Division I collegiate wrestlers before and after acute dehydration (2.6% reduction in body mass). For all methods, body density (D(b)) was converted to percent body fat (%BF) by using the Brozek equation for Euro-Americans and the Schutte equation for African-Americans., Results: There were no significant differences between ADP and HW for D(b), %BF, and fat-free mass (FFM) in either the hydrated or dehydrated states. The standard errors of the estimate for %BF estimated from ADP with HW as the reference method were 2.12% (hydrated) and 2.16% (dehydrated); prediction errors were 2.35% (hydrated) and 2.49% (dehydrated). Bland-Altman plots of D(b) and %BF showed no systematic bias, and 64 out 66 subjects fell within the 95% limits of agreement (mean difference +/- 2 SD) for both variables. For SK, %BF was significantly higher than HW in both the hydrated and dehydrated state. All methods (ADP, HW, and SK) showed a significant decrease in FFM from the hydrated to the dehydrated state., Conclusions: This study demonstrates that the BOD POD air displacement method provides similar estimates of D (b), %BF, and FFM when compared with HW in a heterogeneous collegiate wrestling population during hydrated and acutely dehydrated states. Pretest guidelines to ensure normal hydration status before body composition assessment using any method must be followed to minimize measurement error in %BF.

Published
2003
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