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Presence Current · Arkansas
Last published 2026
Sources OpenAlex · ORCID
Refreshed 2026-08-15

Rick H. Williams

Researcher

Also affiliated: Arkansas Cardiology (2008); Institute on Aging (2014–2025); Texas A&M University (2020)

Faculty Researcher

8 h-index 23 pubs 713 cited

  • Humans
  • Aged
  • Female
  • Male
  • Muscle, Skeletal
  • Exercise
  • Amino Acids, Essential
  • Insulin Resistance
  • Gas Chromatography-Mass Spectrometry
  • Obesity
  • Body Mass Index
  • Aging
  • Bed Rest
  • Muscle Proteins
  • Absorptiometry, Photon

Biography and Research Information

OverviewAI-generated summary

Rick H. Williams' research focuses on human metabolism, particularly in the context of aging, exercise, and obesity. His work investigates the role of essential amino acids in promoting net protein balance, comparing different dietary sources. Williams also examines the biochemical analysis of amino acid derivatives using gas chromatography-mass spectrometry to understand protein kinetics. His research network includes collaborators such as Arny A. Ferrando, Robert R. Wolfe, Scott Schutzler, and Yihong Kaufmann, all from the University of Arkansas for Medical Sciences, with whom he has co-authored publications.

With 22 publications and 709 citations, Williams has an h-index of 8. His recent publications indicate continued activity in the field, with his most recent work appearing in 2025. His scholarly contributions are rooted in understanding fundamental physiological processes related to nutrition and body composition.

Metrics

  • h-index: 8
  • Publications: 23
  • Citations: 713

Selected Publications

  • 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)
    Current Developments in Nutrition DOI OpenAlex
  • A Comparison of Derivatives of Alanine and <scp>d</scp>-Alanine Used in Gas Chromatography–Mass Spectrometry Analysis for Protein Kinetics (2025)
    Journal of Proteome Research DOI OpenAlex
  • Equivalent servings of free-range reindeer promote greater net protein balance compared to commercial beef (2021)
    International Journal of Circumpolar Health 3 citations DOI OpenAlex
  • Superior Influence of Reindeer compared to Beef Ingestion on Protein Metabolism in Humans (2020)
    The FASEB Journal DOI OpenAlex
  • Higher Net Protein Balance Following the Ingestion of Free Range Reindeer Compared to Commercial Beef (2020)
    Preprints.org 1 citation DOI OpenAlex
  • Higher protein intake during a mixed meal ingestion increases net protein accretion through a reduction in protein breakdown (2015)
    The FASEB Journal DOI OpenAlex
  • Acute lysine supplementation does not improve hepatic or peripheral insulin sensitivity in older, overweight individuals (2014)
    Nutrition & Metabolism 15 citations DOI OpenAlex
  • The Impact of Exercise Training Compared to Caloric Restriction on Hepatic and Peripheral Insulin Resistance in Obesity (2009)
    The Journal of Clinical Endocrinology & Metabolism 100 citations DOI OpenAlex
  • EAA supplementation to increase nitrogen intake improves muscle function during bed rest in the elderly (2009)
    Clinical Nutrition 235 citations DOI OpenAlex
  • Influence of Exercise Intensity on Abdominal Fat and Adiponectin in Elderly Adults (2009)
    Metabolic Syndrome and Related Disorders 74 citations DOI OpenAlex
  • Exercise-Induced Changes in Insulin Action and Glycogen Metabolism in Elderly Adults (2006)
    Medicine & Science in Sports & Exercise 82 citations DOI OpenAlex
  • Plasma Adiponectin is not Altered by Moderate or Heavy Aerobic Exercise Training in Elderly, Overweight Individuals (2006)
    Medicine & Science in Sports & Exercise 1 citation DOI OpenAlex
  • Exercise Training-versus Caloric Restriction-Induced Weight Loss (2006)
    Medicine & Science in Sports & Exercise 2 citations DOI OpenAlex
  • Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects (2005)
    Medicine & Science in Sports & Exercise DOI OpenAlex
  • Improved Insulin Action With Heavy Exercise Training But Not Moderate Exercise Training In Elderly Subjects (2005)
    Medicine & Science in Sports & Exercise DOI OpenAlex

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Collaboration Network

10 Collaborators 6 Institutions 1 Country

Top Collaborators

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