BSc, BPhEd, MPhEd, PhD
Tel 64 3 479-9109
Jim Cotter is a Senior Lecturer at the School of Physical Education (Lecturer 2001-6). Jim obtained his BSc (1987, Physiology), BPhEd (1988, Distinction) and MPhEd (1992, Distinction) at Otago before heading to Australia to complete a PhD in Environmental Physiology at the University of Wollongong (1998). Following a lectureship there in 1997, he worked as a Research Scientist in the Australian Defence Science & Technology Organisation for three years (1998-2001), investigating human tolerance and adaptation under adverse ergonomic and environmental conditions. Now at The University of Otago, he researches in these fields in both health and performance contexts, with related teaching and service on editorial boards (Journal of Applied Physiology; Frontiers in Physiology), the Executive Board of Sport & Exercise Science NZ (2005-2010), and advice on High Performance Sport as required (especially for Athens and Beijing Olympics).
Jim has three broad research interests:
- What stimuli are important for health- and performance-related fitness adaptations; especially the separate and interactive roles and dose:response relations of different forms of strain (e.g., mechanical tension, heat or hypoxia).
- Thermoregulatory and cardiovascular control and determinants of tolerance under heat or hydrative stress, and subsequently the effects of physical and physiological strategies to reduce physiological strain and maximise tolerance.
- The limits of ultra-endurance, especially within exercise tasks lasting multiple days.
Questions addressed in current and recently-completed research projects include:
- Does acute mountain sickness arise from combined effects of altered brain blood flow, barrier integrity and fluid regulation?
- What role does heat play in cardiovascular health and capacity?
- Can exercise induce fever in healthy humans? What role does the gut or muscle play in this response? Are trained people less susceptible? Is this response involved in exercise pacing?
- To what extent and why does exercising limb (arms versus legs) and intensity (intervals vs continuous) alter cardiovascular, autonomic, cerebrovascular, metabolic and psychophysical responses during exercise and recovery?
- Does training status and the type of training (sprint versus endurance) alter the cardiorespiratory, metabolic and psyophysical responses to exercise?
- What is the role of inherent individual factors (age, sex, aerobic training status, spinal cord injury) and situational factors (hyper- and hypo-hydration, hypoxia, heat, airflow, artificial cooling) on thermoregulatory, cardiorespiratory and cerebrovascular control, perceived status and exercise tolerance;
- Is fluid-regulatory strain detrimental or beneficial for heat and aerobic conditioning?
- Are well-trained athletes less sensitive to acute cardiovascular, thermoregulatory, metabolic and cognitive effects of dehydration?
These questions are addressed in collaboration with some excellent Honours, Masters and Doctoral research students, a recent Research Assistant (Evelyn Parr) and colleagues in our School (esp. Drs Sam Lucas, Nancy Rehrer and Elaine Hargreaves), University (Dr Chris Baldi, Profs Rob Walker, Andre van Rij and Patrick Manning), Australia (Dr Jonathon Peake (QUT) and Professor John Hawley (RMIT)), Singapore (Dr Chin Leong Lim), Denmark (A/Prof Jörn Helge, Prof Frank Pott) and England (Prof Keith George (LJMU), Dr Emma Ross (Essex)), and long-term, enjoyable collaborations with Drs Sam Lucas (PE) and Phil Ainslie (now at UBC Kelowna).
Techniques used in the projects include measurement of body temperature, on-line sweat rate and composition, perfusion of the whole-body, brain and isolated limbs, blood volume and composition, respiratory function, perceived status, work performance, blood glucose, and plasma concentrations of cytokines, fluid-regulatory and stress hormones and oxidative stress markers. Funding for projects has been obtained from the NZ Academy of Sport, SPARC, Otago Medical Research Foundation, NZ Rugby Union, Otago University and confidential bodies.
Lucas, S.J.E., Ainslie, P.N., Murrell, C.J., Thomas, K.N., Franz, E.A. and Cotter, J.D. Effect of age on exercise-induced alterations in cognitive executive function: Relationship to cerebral perfusion. Experimental Gerontology. doi.org/10.1016/j.exger.2011.12.002. [IF = 3.80]
Ross, E.Z., Cotter, J.D., Wilson, L.C., Fan, J-L., Lucas, S.J.E. and Ainslie, P.N. Cerebrovascular and corticomotor function during progressive passive hyperthermia in humans. Journal of Applied Physiology, 112, 748-758 (2012). doi:10.1152/japplphysiol.00988.2011 [IF = 4.35]
MacRae, B.A., Cotter, J.D. and Laing, R.M. Compression Garments and Exercise: Garment Considerations, Physiology and Performance. Sports Medicine 41(10): 815-843. (2011) [IF = 5.07]
Lucas R.A.I., Ainslie P.N., Morrison, S.A. & Cotter J.D. Compression leggings modestly affect cardiovascular but not cerebrovascular responses to heat and orthostatic stress in young and older adults. Age DOI: 10.1007/s11357-011-9250-4 (2011). [IF = 5.84]
Lind-Holst, M., Cotter, J.D., Helge, J.W., Boushel, R., Augustesen, H., van Lieshout, J.J. & Pot F.C. Cerebral autoregulation dynamics in endurance-trained individuals. Journal of Applied Physiology, 110(5): 1327-1333 (2011) [IF = 4.23]
Merry, T.L., Ainslie, P.N & Cotter, J.D. Effects of aerobic fitness on hypohydration-induced physiological strain and exercise impairment. Acta Physiologica. 198(2):179-90(2010). [IF = 3.14]
Current Research Students
- Ashley Akerman PhD
- Carl Bradford PhD
- Kate Thomas PhD (co-supervisor)
- Craig Palmer PhD
- Robert Creasy PhD
- Monique Francois MPhEd
- Michael Dessoulavy MPhEd (co-supervisor)
- Terrence Hill MPhEd (co-supervisor)
Completed Research Students
- Carissa Murrell PhD (co-supervisor)
- Luke Wilson PhD (co-supervisor)
- Rebekah Lucas PhD (co-supervisor)
- Samuel Lucas PhD
- Stacy Sims PhD (co-supervisor)
- Shawnda Morrison PhD
- Brad Wilsmore PhD (co-supervisor)
- Andrew Garrett PhD
- Matthew Graham MPhEd
- Evelyn Parr MPhEd (co-supervisor)
- Braid MacRae MPhEd (co-supervisor)
- Craig Harrison MPhEd
- Olivia MacLaren MPhEd
- Hayley Guiney MSc (co-supervisor)
- Linda Groenewegen (MSc, co-supervisor)
- Guy Scoon (MSc, co-supervisor)
To see details of postgraduate students this staff member may be supervising please visit the Postgraduate Profiles section of our website.
Last updated 23 March 2012