Major areas of recent research

Visit the Neuromuscular Physiology of Human Movement Laboratory for more information on Dr. Hunter's Research.

Funding

Principal investigator

2011-2014
National Institute of Aging R15 [R15AG039697] “Neuromuscular Fatigue: Sex and Age Differences”

2011
Women’s and Gender Studies Collaborative Research Scholarship, Marquette University. “Gender Bias in Exercise Performance: Physiology or Participation”

2010-2012
CTSI Brain Imaging Pilot Grants (Medical College of Wisconsin) “Brain Activation and the Stress Response During Motor Performance in Older Adults”

2008-2011
National Institute of Aging R15 [R15AG30730] “Neuromuscular Fatigue in Old Adults”

2008-2010
Dr. Judith Stitt Women’s Faculty Scholarship: Wisconsin Women’s Health Foundation “Sex Differences in the Stress Response and Motor Performance”

2008-2010
Medical College of Wisconsin CTSI core facility for Pilot Funding

“Brain Activation During Fatiguing Contractions in Young and Old Adults”

2007-2008
National Institute of Occupational, Safety and Health Pilot Training Grant, University of Illinois Chicago ”Cognitive Stress, Mental Attentiveness and Muscle Fatigue ”

2007-2008
American College of Sports Medicine (Pre Doctoral Award for Erin Griffith) “Mechanisms of task Failure with Aging.

2007

Regular Research Grant and Summer Faculty Fellowship, Marquette University “The influence of cognitive stress on fatiguing contractions”

2007
Way Klingler Young Scholar Award at Marquette University “Brain Activation in Young and Old Adults During Fatiguing Tasks”

2004 - 2006
National Institute of Aging RO3 Award (AG023183)
"Task Dependence of Muscle Fatigue of Young and Older Adults"

2005
Way Klingler Summer Faculty Scholarship Marquette University

2005
Faculty Development Award
College of Health Sciences, Marquette University

2002-2003
Research Endowment Award
American College of Sports Medicine
"Sex Differences in Muscle Fatigue of Young and Older Adults"

Co-investigator

2009-2011
CTSI Doctoral Research Grant (Medical College of Wisconsin)
“The Influence of Posttraumatic Stress Disorder on Motor Impairment in Veterans”

2008-2009
National Institute of Occupational, Safety and Health Pilot Training Grant, University of Illinois Chicago (PI: Vanden Noven, M.L.) “Cognitive Stress and Neuromuscular Fatigue with Aging”

2008-2010

Arthritis Foundation “Exercise induced pain relief in women with fibromyalgia” (PI: Marie Hoeger-Bement).

2006-2008
Dr. Judith Stitt Women’s Faculty Scholar Wisconsin Women’s Health Foundation.Gender differences in the role of robotic rehabilitation therapy after stroke” (PI: Michelle Johnson).

2006-2007
American Pain Society Future Leaders in Pain Management "Acute Hormonal Fluctuations as a Mechanism For Exercise-Induced Hypoalgesia" (PI: Marie Hoeger-Bement).

Honors and awards

2007
Way Klingler Young Scholar Award at Marquette University

2005
Fellow of the American College of Sports Medicine

2004
Research Career Enhancement Award
American Physiological Society

1998
Research Excellence Award
Australian Conference of Science and Medicine in Sport

1994-1996
University of Sydney Postgraduate Research Award Scholarship

 

Professional publications

Refereed Journals

Yoon T, Schlinder-Delap B, Keller ML, Hunter SK. Supraspinal fatigue impedes recovery from a low-intensity sustained contraction in old adults. Journal of Applied Physiology, (in press: accepted for publication 12-14-2011).

Hyngstrom AS, Onushko T, Heitz R, Rutkowski A, Hunter SK, & Schmit BD. Stroke-related neuromuscular fatigue of the hip flexors and functional implications. American Journal of Physical Medicine & Rehabilitation, 91(1):33-42, 2012.

Keller ML, Pruse J, Yoon T, Schlinder-Delap B & Harkins A, Hunter SK. Supraspinal fatigue is similar in men and women for a low-force fatiguing contraction. Medicine Science Sports and Exercise, 43 (10): 1873-1883, 2011.

Hunter SK The Two Hour Marathon: How Important is Age? Journal of Applied Physiology, 110(1):278-93, 2011.

Hoeger Bement MK, Weyer A, Hartley S, Drewek B, Harkins A, & Hunter SK. Pain perception after isometric exercise in women with fibromyalgia. Archives of Physical Medicine and Rehabilitation, 92(1):89-95, 2011.

Hunter SK, Stevens A, Magennis K, Skelton KW and Fauth M. Is there a sex difference in the age of elite marathon runners? Medicine Science Sports and Exercise, 43(4):656-64, 2011.

Hunter SK. Response to Task-specific sex differences in muscle fatigue: Is there a common underlying cause? Exercise and Sports Science Reviews. January, 37, 2010.

Hoeger Bement M, Weyer A, Keller M, Harkins A, and Hunter SK. Anxiety and stress can predict pain perception following a cognitive stressor. Physiology and Behavior, 101: 87-92, 2010.

Griffith EE, Yoon T and Hunter SK. Aging and load compliance influence time to task failure for a submaximal fatiguing contraction with the lower leg. Journal of Applied Physiology, 108(6): 1510-9, 2010.

Yoon, T., Keller, M.L., Schlinder-Delap, B., Harkins A, Lepers, R. & Hunter, S.K. Sex differences in response to cognitive stress during a fatiguing contraction. Journal of Applied Physiology, 107: 1486 – 1496, 2009.

Yoon, T., Hawe R, Hunter, S.K. Variation in limb support influences the time to task failure for a postural contraction. Journal of Motor Behavior 41(5): 393-5, 2009.

Hunter, S.K. Sex differences in mechanisms of task-specific muscle fatigue. Exercise and Sports Science Reviews Jul; 37(3):113-22, 2009.

Hoeger Bement, M.K., Weyer, A., Hartley, S., Yoon, T., Hunter, S.K. Exercise attenuates pain-induced corticomotor excitability, Neuroscience Letters, 452: 209-213 2009.

Hoeger Bement, M., Rasiarmos, R., DiCapo, R., Lewis A, Keller, M.L., Harkins A, Hunter, S.K. Role of the menstrual cycle phase in pain perception before and after isometric contractions. European Journal of Applied Physiology, 106(1):105-112, 2009.

Hunter, S.K., Griffith, E.E., Schlachter, K.M., Kufahl, T.D. Sex differences in time to task failure and blood flow for an intermittent isometric fatiguing contraction. Muscle and Nerve, 39(1): 42-53, 2009.

Hunter, S.K., Butler, J.E., Todd, G., Gandevia, S.C. and Taylor, J.L. Slowed recovery of supraspinal fatigue in old adults after fatiguing maximal contractions. Journal of Applied Physiology, 105(4):1199-1209, 2008.

Harmer, A.R., McKenna, M.J., Chisholm, D.J., Hunter, S.K., Ruell, P.A., Naylor J.M., Maxwell, L.J., Flack, J.R. Sprint training increases muscle oxidative metabolism during high-intensity exercise in patients with type 1 diabetes mellitus, Diabetes Care. 31(11), 2097-2102, 2008.

Hoeger Bement, M.K., Rasiarmos, R.L., DiCapo J.M., Griffith, E.E. & Hunter, S.K. Dose-response of isometric contractions on pain perception in healthy men and women. Medicine Science Sports and Exercise, 40(11): 1880-1889, 2008.

Hunter, S.K., Yoon, T, Farinella J.M., Griffith, E.E., Ng, A.V. Time to task failure and muscle activation vary with load type for a submaximal fatiguing contraction with the lower leg. Journal of Applied Physiology, 105: 463–472, 2008.

Yoon, T., Schlinder-Delap, B., Griffith, E.E. & Hunter, S.K. Age-related muscle fatigue after a low-force fatiguing contraction is explained by central fatigue. Muscle and Nerve, 37(4): 457-466, 2008.

Yoon, T., Schlinder-DeLap, B., Griffith, E.E. & Hunter, S.K. Mechanisms of fatigue differ after low- and high-force fatiguing contractions in men and women. Muscle and Nerve, 36:512-524, 2007.

Hunter, S.K., Butler, J.E., Todd, G., Gandevia, S.C. and Taylor, J.L. Supraspinal fatigue does not explain the sex difference in muscle fatigue of maximal contractions. Journal of Applied Physiology 101: 1036-1044, 2006.

Mottram, C.J., Hunter, S.K., Rochette, L., and Enoka, R.M. Time to task failure varies with the gain of the feedback signal for women, but not for men. Experimental Brain Research 174(3): 575-587, 2006.

Hunter, S.K., Schletty J.M., Schlachter, K.M., Griffith, E.E., Polichnowski, A.J. & Ng, A.V. Active hyperemia and vascular conductance differ between men and women for an isometric fatiguing contraction. Journal of Applied Physiology 101: 140-150, 2006.

Harmer, A.R., Ruell, P.A., McKenna, M.J., Chisholm, D.J., Hunter, S.K., Thom J.M., Morris, N.R., and Flack, J.R. Effects of sprint training on extrarenal potassium regulation with intense exercise in Type 1 diabetes. Journal of Applied Physiology 100: 26-34, 2006.

Yoon, T.J., Kim, Y.W., Chung, C.S., Hunter, S.K. The effect of aging on the mechanism of muscle fatigue during a sustained submaximal isometric contraction. Korean Journal of Sports Biomechanics 15(3), 51-59, 2005.

Tracy, B.L., Maluf, K.S., Stephenson, J.L., Hunter, S.K., and Enoka, R.M. Variability of motor unit discharge and force fluctuations across a range of muscle forces in older adults Muscle and Nerve 32: 533-540, 2005.

Hunter, S.K., Critchlow, A., and Enoka, R.M. Muscle endurance is greater for old men compared with strength-matched young men. Journal of Applied Physiology 99: 890-897, 2005.

Hunter, S.K., Rochette, R., Critchlow, A., and Enoka, R.M. Time to task failure differs with load type when old adults perform a submaximal fatiguing contraction. Muscle and Nerve 31: 730-740, 2005.

Hunter, S.K., Critchlow, A., and Enoka, R.M. Influence of aging on sex differences in muscle fatigability. Journal of Applied Physiology 97: 1723-1732, 2004.

Hunter, S.K., Critchlow, A., Shin, I.S. and Enoka, R.M. Men are more fatigable than strength-matched women when performing intermittent submaximal fatiguing contractions. Journal of Applied Physiology 96: 2125-2132, 2004.

Hunter, S.K., Duchateau, J. and Enoka, R.M. Muscle fatigue and the mechanisms for task failure. Exercise and Sport Science Reviews, 32: 44-49, 2004.

Hunter, S.K., Critchlow, A., Shin, I.S., and Enoka, R.M. Fatigability of the elbow flexor muscles for a sustained submaximal contraction is similar in men and women matched for strength. Journal of Applied Physiology 96: 195-202, 2004.

Rochette, L., Hunter, S.K., Place, N. and Lepers, R. Activation varies among the knee extensor muscles during a submaximal fatiguing contraction in the seated-and supine postures. Journal of Applied Physiology 95: 1515-1522, 2003.

Hunter, S.K., Lepers, R., MacGillis, C.J., Enoka, R.M. Activation among the elbow flexor muscles differs when maintaining arm position during a fatiguing contraction. Journal of Applied Physiology 94: 2439-2447, 2003.

Enoka, R.M., Christou, E.A., Hunter, S.K., Kornatz, K.W., Semmler, J.G., Taylor, A.M. and Tracy, B.L. Review: Mechanisms that contribute to differences in motor performance between young and old adults. Journal of Electromygraphy and Kinesiology 13: 1-12, 2003.

Hunter, S.K. and Enoka, R.M. Changes in muscle activation can prolong the endurance time of a submaximal isometric contraction in humans Journal of Applied Physiology 94: 108-118, 2003.

Hunter, S.K., Ryan, D.L., Ortega, J.D. and Enoka, R.M. Task differences with the same load torque alter endurance time of submaximal fatiguing contractions in humans Journal of Neurophysiology 88: 3087-3096, 2002.

Laidlaw D, Hunter, S.K., Enoka, R.M. Nonuniform activation of the agonist muscle does not covary with index finger acceleration in old adults. Journal of Applied Physiology 93: 1400-1410, 2002.

Hunter, S.K. and Enoka, R.M. Sex differences in the fatigability of arm muscles depends on absolute force during isometric contractions. Journal of Applied Physiology 91: 2686-2694, 2001.

Thom J.M., Thompson, M.W., Ruell, P.A., Bryant GJ, Fonda, J.S., Harmer, A.R., Gwinn T, Janse de Jonge X., Hunter, S.K. Effect of 10-day cast immobilization on sarcoplasmic reticulum calcium regulation in humans. Acta Physiologica Scandinavica, 171: 141-147, 2001.

Hunter, S.K., Thompson, M.W., Adams RD. Reaction time, strength and physical activity of women aged 20 to 89 years. Journal of Aging and Physical Activity, 9: 32-42, 2001.

Hunter, S.K., Thompson, M.W., Adams RD. Relationships among age-associated strength changes and physical activity level, limb dominance and muscle group in women. Journal of Gerontology: Biological Sciences, 55A(6): B264-B273, 2000.

Hunter, S.K., Thompson, M.W., Ruell, P.A., Harmer, A.R., Thom J.M., Gwinn, T.H., Adams RD. Human skeletal sarcoplasmic reticulum Ca2+ uptake and muscle function with aging and strength training. Journal of Applied Physiology, 86(6): 1858-1865, 1999.

Hunter, S.K., White, M.J., Thompson, M.W. Review: Techniques to evaluate elderly human muscle function: a physiological basis. Journal of Gerontology: Biological Sciences, 53(3): B204-B216, 1998.

Hunter, S.K., Thompson, M.W. Contractile properties of two human lower limb muscle groups: the quadriceps and triceps surae. Sports Medicine, Training and Rehabilitation, 8(3): 227-237, 1998.

Booth, J., McKenna, M.J., Ruell, P.A., Gwinn, T.H., Davis, G.M., Thompson, M.W., Harmer, A.R., Hunter, S.K., Sutton JR. Impaired calcium pump function does not slow relaxation in human skeletal muscle following prolonged exercise. Journal of Applied Physiology, 83(2): 511-521, 1997.

Book chapters

Hunter, S.K. and Brown D.A. "Chapter 3: Skeletal Muscle: The Ultimate Stabilizer and Mover of the Skeletal System" in DA Neumann, Kinesiology of the Musculoskeletal System (2nd edition); Publisher: Elsevier, 2010.

Hunter, S.K. Chapter 19: Aging and the Mechanisms of Task-Dependent Muscle Fatigue’ in Advances in Neuromuscular Physiology of Motor Skills and Muscle Fatigue . Pages 391-414, Minoru Shinohara, Ed.; Publisher: Research Signpost, Kerala, India, 2009.

Recent abstracts

Vanden Noven M.L., Yoon, T., Verber M.D., Fauth, M., Skelton, K.W., Neilson, K.A. & Hunter, S.K. Gain of visual feedback and brain activation during submaximal contractions of the lower extremity. Medicine and Science in Sports and Exercise 41(5), S521; 2009. (Presented at the American College of Sports Medicine National Annual Meeting, May 27-30th, 2009, Seattle, WA).

Hunter, S.K., Vanden Noven, M.L., Yoon, T., Verber, M.D., Fauth, M., Skelton, K.W., Neilson K.A. Sex differences in brain activation during submaximal contractions of the lower extremity. Medicine and Science in Sports and Exercise 41(5), S520; 2009. (Presented at the American College of Sports Medicine National Annual Meeting, May 27-30th, 2009, Seattle, WA).

Yoon, T., Keller, M.L., Schlinder-Delap, B. & Hunter, S.K. Age and sex differences in muscle fatigability maintaining the same absolute force. Medicine and Science in Sports and Exercise 41(5), S97; 2009. (Presented at the American College of Sports Medicine National Annual Meeting, May 27-30th, 2009, Seattle, WA).

Pruse, J.M., Keller, M.L., Yoon, T., Schlinder-Delap, B. & Hunter, S.K. Supraspinal fatigue after a low– force fatiguing contraction in men and women. Medicine and Science in Sports and Exercise 41(5), S260; 2009. (Presented at the American College of Sports Medicine National Annual Meeting, May 27-30th, 2009, Seattle, WA).

Hoeger Bement, M.K., Weyer, A.D., Yoon, T., Hunter, S.K. Corticomotor excitability and pain are not influenced by fatiguing exercise in women with fibromyalgia, American Physical Therapy Association, Section on Research Retreat, Monterey, CA, August 9-13, 2009.

Keller, M.L., Pruse, J., Schlinder-Delap, B., Yoon, T., Hunter, S.K. Cognitive stress but not distraction influence the time to task failure for a submaximal fatiguing contraction. American Physical Therapy Association, Section on Research Retreat, Monterey, CA August 9-13, 2009.

Hyngstrom, A.S., Onushko, T.L., Heitz, R., Rutowski, A.A., Hunter, S.K. and Schmit, B.D. Stroke impairs strength and control of motor output during sub-maximal fatiguing contractions. Society of Neuroscience Abstracts 35, #568.6, 2009. (Presented at the Society of Neuroscience Annual Meeting, Chicago: October 17-21, 2009).

Vanden Noven, M.L., Yoon, T., Verber, M.D., Nielson, K.A. and Hunter, S.K. Aging alters brain activation during submaximal contractions with the lower leg Society of Neuroscience Abstracts 35, #863.6, 2009. (Presented at the Society of Neuroscience Annual Meeting, Chicago: October 17-21, 2009).

Yoon, T., Vanden Noven, M.L., Verber, M.D., Nielson K.A. and Hunter, S.K. The influence of gain of visual feedback and sex on brain activation during isometric contractions. Society of Neuroscience Abstracts 35,# 863.3, 2009. (Presented at the Society of Neuroscience Annual Meeting, Chicago: October 17-21, 2009).


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