Match tier
Listed
Presence
Current · Arkansas
Last published
2026
Sources
OpenAlex · ORCID
Refreshed
2026-10-07
R
Rick H. Williams
Research Associate
Also affiliated: Institute on Aging (2025); Texas A&M University (2020)
8 h-index
22 pubs
711 cited
Research Areas
Biomedical Subjects
Links
Biography and Research Information
OverviewAI-generated summary
Rick H. Williams' research focuses on the metabolic and physiological responses to exercise, nutrition, and aging in humans. His work has investigated the impact of essential amino acid supplementation on muscle function in elderly individuals during periods of bed rest. Williams has also studied the influence of age and resistance exercise on skeletal muscle proteolysis, employing a microdialysis approach. His research has examined the effects of exercise training and caloric restriction on insulin resistance in obesity, as well as exercise intensity's impact on abdominal fat and adiponectin levels in older adults. Further studies have explored exercise-induced changes in insulin action and glycogen metabolism in elderly individuals, and the relationship between visceral fat, adiponectin, and insulin resistance in women. Williams has published 23 papers, with an h-index of 8 and 716 citations. His collaborators include Arny A. Ferrando, Robert R. Wolfe, Scott Schutzler, and Yihong Kaufmann, all from the University of Arkansas for Medical Sciences.
Metrics
- h-index: 8
- Publications: 22
- Citations: 711
Positions
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Research Associate publications 2003–2026University of Arkansas for Medical Sciences Institution web page
Selected Publications
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Effect of 0.8 g/kg/d vs 1.6 g/kg/d Protein Intake in a Traditional or Time-Restricted Eating Pattern on Whole-Body Protein Turnover and Myofibrillar Protein Breakdown (2026)
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A Comparison of Derivatives of Alanine and d -Alanine Used in Gas Chromatography–Mass Spectrometry Analysis for Protein Kinetics (2025)
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Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef (2021)
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Superior Influence of Reindeer compared to Beef Ingestion on Protein Metabolism in Humans (2020)
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Higher Net Protein Balance Following the Ingestion of Free Range Reindeer Compared to Commercial Beef (2020)
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Higher protein intake during a mixed meal ingestion increases net protein accretion through a reduction in protein breakdown (2015)
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Acute lysine supplementation does not improve hepatic or peripheral insulin sensitivity in older, overweight individuals (2014)
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The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity (2009)
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EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly (2009)
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Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults (2009)
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Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults (2006)
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Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals (2006)
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Exercise Training-versus Caloric Restriction-Induced Weight Loss (2006)
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Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects (2005)
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Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects (2005)
Collaboration Network
Top Collaborators
Robert H. Coker
University of Arkansas for Medical Sciences (US)
13 shared publications
- The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults
- Acute lysine supplementation does not improve hepatic or peripheral insulin sensitivity in older, overweight individuals
- Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef
Showing 5 of 13 shared publications
William J. Evans
University of Arkansas for Medical Sciences (US)
10 shared publications
- EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly
- The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults
- Exercise Training-versus Caloric Restriction-Induced Weight Loss
Showing 5 of 10 shared publications
Robert R. Wolfe
University of Arkansas for Medical Sciences
7 shared publications
In database
- EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly
- Acute lysine supplementation does not improve hepatic or peripheral insulin sensitivity in older, overweight individuals
- Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef
- Higher Net Protein Balance Following the Ingestion of Free Range Reindeer Compared to Commercial Beef
- Higher protein intake during a mixed meal ingestion increases net protein accretion through a reduction in protein breakdown
Showing 5 of 7 shared publications
PATRICK M. KORTEBEIN
University of Arkansas for Medical Sciences (US)
6 shared publications
- EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly
- The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults
- Exercise Training-versus Caloric Restriction-Induced Weight Loss
Showing 5 of 6 shared publications
Nicholas P. Hays
University of Arkansas for Medical Sciences (US)
5 shared publications
- EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
Scott E. Schutzler
Institute on Aging
5 shared publications
In database
- Acute lysine supplementation does not improve hepatic or peripheral insulin sensitivity in older, overweight individuals
- Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef
- Higher Net Protein Balance Following the Ingestion of Free Range Reindeer Compared to Commercial Beef
- Higher protein intake during a mixed meal ingestion increases net protein accretion through a reduction in protein breakdown
- Superior Influence of Reindeer compared to Beef Ingestion on Protein Metabolism in Humans
Dennis H. Sullivan
Central Arkansas Veterans Healthcare System (US)
4 shared publications
- Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults
- Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
Scott A. Freeling
University of Arkansas for Medical Sciences (US)
4 shared publications
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
Arny A. Ferrando
Institute on Aging
4 shared publications
In database
- EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly
- Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef
- Higher protein intake during a mixed meal ingestion increases net protein accretion through a reduction in protein breakdown
- A Comparison of Derivatives of Alanine and d -Alanine Used in Gas Chromatography–Mass Spectrometry Analysis for Protein Kinetics
Todd A. Trappe
University of Arkansas for Medical Sciences (US)
3 shared publications
- Influence of age and resistance exercise on human skeletal muscle proteolysis: a microdialysis approach
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
John A. Carrithers
University of Arkansas for Medical Sciences (US)
3 shared publications
- Influence of age and resistance exercise on human skeletal muscle proteolysis: a microdialysis approach
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
Sophie E. Yeo
University of Arkansas for Medical Sciences (US)
3 shared publications
- The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity
- Exercise Training-versus Caloric Restriction-Induced Weight Loss
- Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals
Amy D. Brown
University of Arkansas for Medical Sciences (US)
3 shared publications
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
Dennis H. Sullivan
Central Arkansas Veterans Healthcare System (US)
3 shared publications
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
- Concurrent Aerobic and Resistance Exercise Effects on Mixed, Myofibrillar, Mitochondrial, and Sarcoplasmic Protein Synthesis
Raymond D. Starling
Pfizer (United States) (US)
3 shared publications
- Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
- Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects
Similar Researchers
Based on overlapping research topics
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