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The Laboratory "Motricité, Interactions, Performance" (MIP, EA 4334 - University of Nantes, France) offers a full-time PhD position in Neurophysiology and Biomechanics (36 months) starting on September or October 1st 2013. The MIP laboratory is located on the campus of the Faculty of Sport Sciences (UFR STAPS), Nantes (France).
The research project is devoted to investigate the plasticity of muscle coordination and its optimization during cyclic poly-articular movements (e.g., pedaling, rowing). The novelty of the experiments is based on the study of muscle coordination combining different approaches in neurophysiology and biomechanics: electromyography, inverse dynamic, neurostimulation and ultrasonography. The first aim of this project is to clarify the contraction modality and contraction velocity of main lower limb muscles during both cycling and rowing tasks at different intensities and movement frequency. The second aim is to test some hypotheses regarding the existence of inter-muscular compensations during fatigue and to analyze the influence of different training procedures on coordination and performance. More precisely, it remains unclear whether muscle coordination could be i) negatively affected by acute fatigue of one specific muscle/muscle group (mono-articular vs. bi-articular) or ii) positively affected by improving the intrinsic muscle properties and/or technical skills.
10 main publications of the research team on the topic
Dorel S, Guilhem G, Couturier A, Hug F. Adjustment of Muscle Coordination during an All-Out Sprint Cycling Task. Medicine and Science in Sports and Exercise. 2012 Jun 6.
Turpin, NA., Guével, A., Durand, S., Hug, F. No evidence of expertise-related changes in muscle synergies during rowing. Journal of Electromyography and Kinesiology. 2011. 21(6) : 1030-1040
Turpin NA, Guével A, Durand S, Hug F. Fatigue-related adaptations in muscle coordination during a cyclic exercise in humans. Journal of Experimental Biology. 214. 3305-3314.
Hug F, Turpin N, Couturier A, Dorel S. Consistency of muscle synergies during pedaling across different mechanical constraints. Journal of Neurophysiology. 2011. 106(1): 91-103.
Turpin, N., Guével, A., Durand, S., & Hug, F. (in press). Effect of power output on muscle coordination during rowing. European Journal of Applied Physiology.
Hug F, Turpin NA, Guével A and Dorel S. Is interindividual variability of EMG patterns in trained cyclists related to different muscle synergies? Journal of Applied Physiology (2010) 108(6):1727-36
Dorel S, Couturier A, Lacour J-R, Vandewalle H, Hautier CA and Hug F. Force-Velocity Relationship in Cycling Revisited: Benefit of Two-Dimensional Pedal Forces Analysis. Medicine and Science in Sports and Exercise (2010) 42(6):1174-83
Dorel S, Drouet J-M, Champoux Y, Couturier A and Hug F. Changes of pedaling technique and muscle coordination during an exhaustive exercise. Medicine and Science in Sports and Exercise (2009) 41(6): 1277-86
Hug F and Dorel S. Electromyographic analysis of pedaling: A review. Journal of electromyography and kinesiology (2009) 19(2):182-98
Dorel S, A Couturier and F Hug. Intra-session repeatability of lower limb muscles activation pattern during pedaling. Journal of electromyography and kinesiology (2008) 18(5): 857-65
Successful candidates should have completed a Master’s degree in human movement science, biomechanics, physiology, kinesiology, or a related discipline. An experience with the assessment of human performance, muscle function or coordination (kinematic or neuromuscular approach) is highly desirable. Experience with electrical stimulation and electromyography techniques as well computer programming skills (Matlab or similar software) is appreciated but not compulsory. An ability to speak French would be advantageous but is not mandatory.
Interested candidates are asked to send a letter of interest, a curriculum vitae and 2 references at the e-mail addresses below.
Application dealdine : 2nd july 2013
Applicants selected after the shortlisting process will be invited for interview on 11th july 2013
Salary : 1374 € net/month
Contacts:
Sylvain DOREL, Associate Professor – e-mail: sylvain.dorel@univ-nantes.fr
Arnaud GUEVEL, Professor – e-mail: arnaud.guevel@univ-nantes.fr
François HUG, NHMRC Principal Research Fellow – e-mail: f.hug@uq.edu.au
The research project is devoted to investigate the plasticity of muscle coordination and its optimization during cyclic poly-articular movements (e.g., pedaling, rowing). The novelty of the experiments is based on the study of muscle coordination combining different approaches in neurophysiology and biomechanics: electromyography, inverse dynamic, neurostimulation and ultrasonography. The first aim of this project is to clarify the contraction modality and contraction velocity of main lower limb muscles during both cycling and rowing tasks at different intensities and movement frequency. The second aim is to test some hypotheses regarding the existence of inter-muscular compensations during fatigue and to analyze the influence of different training procedures on coordination and performance. More precisely, it remains unclear whether muscle coordination could be i) negatively affected by acute fatigue of one specific muscle/muscle group (mono-articular vs. bi-articular) or ii) positively affected by improving the intrinsic muscle properties and/or technical skills.
10 main publications of the research team on the topic
Dorel S, Guilhem G, Couturier A, Hug F. Adjustment of Muscle Coordination during an All-Out Sprint Cycling Task. Medicine and Science in Sports and Exercise. 2012 Jun 6.
Turpin, NA., Guével, A., Durand, S., Hug, F. No evidence of expertise-related changes in muscle synergies during rowing. Journal of Electromyography and Kinesiology. 2011. 21(6) : 1030-1040
Turpin NA, Guével A, Durand S, Hug F. Fatigue-related adaptations in muscle coordination during a cyclic exercise in humans. Journal of Experimental Biology. 214. 3305-3314.
Hug F, Turpin N, Couturier A, Dorel S. Consistency of muscle synergies during pedaling across different mechanical constraints. Journal of Neurophysiology. 2011. 106(1): 91-103.
Turpin, N., Guével, A., Durand, S., & Hug, F. (in press). Effect of power output on muscle coordination during rowing. European Journal of Applied Physiology.
Hug F, Turpin NA, Guével A and Dorel S. Is interindividual variability of EMG patterns in trained cyclists related to different muscle synergies? Journal of Applied Physiology (2010) 108(6):1727-36
Dorel S, Couturier A, Lacour J-R, Vandewalle H, Hautier CA and Hug F. Force-Velocity Relationship in Cycling Revisited: Benefit of Two-Dimensional Pedal Forces Analysis. Medicine and Science in Sports and Exercise (2010) 42(6):1174-83
Dorel S, Drouet J-M, Champoux Y, Couturier A and Hug F. Changes of pedaling technique and muscle coordination during an exhaustive exercise. Medicine and Science in Sports and Exercise (2009) 41(6): 1277-86
Hug F and Dorel S. Electromyographic analysis of pedaling: A review. Journal of electromyography and kinesiology (2009) 19(2):182-98
Dorel S, A Couturier and F Hug. Intra-session repeatability of lower limb muscles activation pattern during pedaling. Journal of electromyography and kinesiology (2008) 18(5): 857-65
Successful candidates should have completed a Master’s degree in human movement science, biomechanics, physiology, kinesiology, or a related discipline. An experience with the assessment of human performance, muscle function or coordination (kinematic or neuromuscular approach) is highly desirable. Experience with electrical stimulation and electromyography techniques as well computer programming skills (Matlab or similar software) is appreciated but not compulsory. An ability to speak French would be advantageous but is not mandatory.
Interested candidates are asked to send a letter of interest, a curriculum vitae and 2 references at the e-mail addresses below.
Application dealdine : 2nd july 2013
Applicants selected after the shortlisting process will be invited for interview on 11th july 2013
Salary : 1374 € net/month
Contacts:
Sylvain DOREL, Associate Professor – e-mail: sylvain.dorel@univ-nantes.fr
Arnaud GUEVEL, Professor – e-mail: arnaud.guevel@univ-nantes.fr
François HUG, NHMRC Principal Research Fellow – e-mail: f.hug@uq.edu.au