A. Arampatzis, G. P. Brüggemann, and V. Metzler, The effect of speed on leg stiffness and joint kinetics in human running, Journal of Biomechanics, vol.32, issue.12, pp.1349-1353, 1999.
DOI : 10.1016/S0021-9290(99)00133-5

J. Avela and P. V. Komi, Interaction between muscle stiffness and stretch reflex sensitivity after long-term stretch-shortening cycle exercise, Muscle & Nerve, vol.118, issue.6, pp.1224-1227, 1998.
DOI : 10.2466/pr0.1994.74.1.49

P. Avogadro, A. Dolenec, and A. Belli, Changes in mechanical work during severe exhausting running, European Journal of Applied Physiology, vol.90, issue.1-2, pp.165-170, 2003.
DOI : 10.1007/s00421-003-0846-y

H. Baur, A. Hirschmuller, S. Muller, . Gollhofer, and F. Mayer, Muscular activity in treadmill and overground running, Isokinetics and Exercise Science, vol.15, pp.165-171, 2007.

R. Blickhan, The spring-mass model for running and hopping, Journal of Biomechanics, vol.22, issue.11-12, pp.1217-1227, 1989.
DOI : 10.1016/0021-9290(89)90224-8

M. Bonnard, A. V. Sirin, L. Oddsson, and A. Thorstensson, Different strategies to compensate for the effects of fatigue revealed by neuromuscular adaptation processes in humans, Neuroscience Letters, vol.166, issue.1, pp.101-105, 1994.
DOI : 10.1016/0304-3940(94)90850-8

G. A. Cavagna, Force platforms as ergometers, Journal of Applied Physiology, vol.39, pp.174-179, 1975.

D. J. Dutto and G. A. Smith, Changes in spring-mass characteristics during treadmill running to exhaustion, Medicine & Science in Sports & Exercise, vol.34, issue.8, pp.1324-1331, 2002.
DOI : 10.1097/00005768-200208000-00014

C. T. Farley and O. González, Leg stiffness and stride frequency in human running, Journal of Biomechanics, vol.29, issue.2, pp.181-186, 1996.
DOI : 10.1016/0021-9290(95)00029-1

C. T. Farley, H. H. Houdijk, C. Van-strien, and M. Louie, Mechanism of leg stiffness adjustment for hopping on surfaces of different stiffnesses, Journal of Applied Physiology, vol.85, pp.1044-1055, 1998.

O. Girard, G. P. Millet, J. Slawinksi, S. Racinais, and P. Micallef, Changes in leg-spring behavior during a 5000m self-paced run in differently trained athletes, Science & Sports, vol.25, issue.2, pp.99-102, 2010.
DOI : 10.1016/j.scispo.2009.10.001

URL : https://hal.archives-ouvertes.fr/hal-01469466

O. Girard, G. P. Millet, J. P. Micallef, and S. Racinais, Alteration in neuromuscular function after a 5??km running time trial, European Journal of Applied Physiology, vol.86, issue.6, pp.2323-2330, 2012.
DOI : 10.1007/s00421-002-0577-5

A. Gollhofer, D. Schmidtbleicher, and . Dietz, Regulation of Muscle Stiffness in Human Locomotion, International Journal of Sports Medicine, vol.05, issue.01, pp.19-22, 1984.
DOI : 10.1055/s-2008-1025874

C. Hanon, C. Thépaut-mathieu, and H. Vandewalle, Determination of muscular fatigue in elite runners, European Journal of Applied Physiology, vol.7, issue.1-2, pp.118-125, 2005.
DOI : 10.2170/jjphysiol.31.585

C. Hausswirth, J. Brisswalter, J. M. Vallier, D. Smith, and R. Lepers, Evolution of Electromyographic Signal, Running Economy, and Perceived Exertion During Different Prolonged Exercises, International Journal of Sports Medicine, vol.21, issue.6, pp.429-436, 2000.
DOI : 10.1055/s-2000-3832

H. Hobara, K. Inoue, K. Gomi, M. Sakamoto, T. Muraoka et al., Continuous change in spring-mass characteristics during a 400 m sprint, International Journal of Sports Medicine, vol.13, pp.256-261, 2010.

T. Horita, P. V. Komi, C. Nicol, and H. Kyrolainen, Interaction between prelanding activities and stiffness regulation of the knee joint musculoskeletal system in the drop jump: implications to performance, European Journal of Applied Physiology, vol.88, pp.76-84, 2002.

I. Hunter and G. A. Smith, Preferred and optimal stride frequency, stiffness and economy: changes with fatigue during a 1-h high-intensity run, European Journal of Applied Physiology, vol.16, issue.6, pp.653-661, 2007.
DOI : 10.1123/ijsb.7.1.12

M. Ishikawa, J. Pakaslahti, and P. V. Komi, Medial gastrocnemius muscle behavior during human running and walking, Gait & Posture, vol.25, issue.3, pp.380-384, 2007.
DOI : 10.1016/j.gaitpost.2006.05.002

R. Jacobs, M. F. Bobbert, and G. J. Van-ingen-schenau, Mechanical output from individual muscles during explosive leg extensions: The role of biarticular muscles, Journal of Biomechanics, vol.29, issue.4, pp.513-523, 1996.
DOI : 10.1016/0021-9290(95)00067-4

E. Kellis and V. Kouvelioti, Agonist versus antagonist muscle fatigue effects on thigh muscle activity and vertical ground reaction during drop landing, Journal of Electromyography and Kinesiology, vol.19, issue.1, pp.55-64, 2009.
DOI : 10.1016/j.jelekin.2007.08.002

S. Kuitunen, H. Kyrolainen, J. Avela, and P. V. Komi, Leg stiffness modulation during exhaustive stretch-shortening cycle exercise, Scandinavian Journal of Medicine and Science in Sports, vol.1, issue.3, pp.67-75, 2007.
DOI : 10.1007/BF00584651

S. Kuitunen, J. Avela, H. Kyröläinen, C. Nicol, and P. V. Komi, Acute and prolonged reduction in joint stiffness in humans after exhausting stretch? shortening cycle exercise, European Journal of Applied Physiology, vol.88, pp.107-116, 2002.

P. Larson, E. Higgins, J. Kaminski, T. Decker, J. Preble et al., Foot strike patterns of recreational and sub-elite runners in a long-distance road race, Journal of Sports Sciences, vol.7, issue.15, pp.1665-1673, 2011.
DOI : 10.1016/j.humov.2008.03.007

L. Meur, Y. Bernard, T. Rabita, G. Dorel, S. Brisswalter et al., Springmass behavior and electromyographic activity evolution during a cycle run of an international triathlon competition, International Journalof Sports Medicine

L. Meur, Y. Dorel, S. Rabita, G. Bernard, T. Brisswalter et al., Spring???mass behavior and electromyographic activity evolution during a cycle-run test to exhaustion in triathletes, Journal of Electromyography and Kinesiology, vol.22, issue.6, pp.835-844, 2012.
DOI : 10.1016/j.jelekin.2012.04.011

URL : https://hal.archives-ouvertes.fr/hal-01342025

T. A. Mcmahon, G. Valiant, and E. C. Frederick, Groucho running, Journal of Applied Physiology, vol.62, pp.2326-2337, 1987.

T. A. Mcmahon and G. C. Cheng, The mechanics of running: How does stiffness couple with speed?, Journal of Biomechanics, vol.23, pp.65-78, 1990.
DOI : 10.1016/0021-9290(90)90042-2

G. Y. Millet, R. Lepers, N. A. Maffiuletti, N. Babault, V. Martin et al., Alterations of neuromuscular function after an ultramarathon, Journal of Applied Physiology, vol.92, issue.2, pp.486-492, 2002.
DOI : 10.1152/japplphysiol.00122.2001

J. Mizrahi, O. Verbitsky, and E. Isakov, Fatigue-induced changes in decline running, Clinical Biomechanics, vol.16, issue.3, pp.207-212, 2001.
DOI : 10.1016/S0268-0033(00)00091-7

J. B. Morin, T. Jeannin, B. Chevallier, and A. Belli, Spring-Mass Model Characteristics During Sprint Running: Correlation with Performance and Fatigue-Induced Changes, International Journal of Sports Medicine, vol.27, issue.2, pp.158-165, 2006.
DOI : 10.1055/s-2005-837569

J. B. Morin, K. Tomazin, P. Edouard, and G. Y. Millet, Changes in running mechanics and spring???mass behavior induced by a mountain ultra-marathon race, Journal of Biomechanics, vol.44, issue.6, pp.1104-1107, 2011.
DOI : 10.1016/j.jbiomech.2011.01.028

J. B. Morin, P. Samozino, and G. Y. Millet, Changes in Running Kinematics, Kinetics, and Spring-Mass Behavior over a 24-h Run, Medicine & Science in Sports & Exercise, vol.43, issue.5, pp.829-836, 2011.
DOI : 10.1249/MSS.0b013e3181fec518

R. Müller, T. Siebert, and R. Blickhan, Muscle Preactivation Control: Simulation of Ankle Joint Adjustments at Touchdown during Running on Uneven Ground, Journal of Applied Biomechanics, vol.28, issue.6, pp.718-725, 2012.
DOI : 10.1123/jab.28.6.718

G. Rabita, Changes in spring-mass behavior and electromyography activity during an exhaustive run at V ? O2max, Journal of Biomechanics, 2013.

R. Müller, S. Grimmer, and R. Blickhan, Running on uneven ground: Leg adjustments by muscle pre-activation control, Human Movement Science, vol.29, issue.2, pp.299-310, 2010.
DOI : 10.1016/j.humov.2010.01.003

T. F. Novacheck, The biomechanics of running, Gait & Posture, vol.7, issue.1, pp.77-95, 1998.
DOI : 10.1016/S0966-6362(97)00038-6

A. T. Nummela, K. A. Heath, L. M. Paavolainen, L. St, M. I. et al., Fatigue during a 5-km Running Time Trial, International Journal of Sports Medicine, vol.29, issue.09, pp.738-745, 2008.
DOI : 10.1055/s-2007-989404

A. T. Nummela, L. M. Paavolainen, K. A. Sharwood, M. I. Lambert, T. D. Noakes et al., Neuromuscular factors determining 5??km running performance and running economy in well-trained athletes, European Journal of Applied Physiology, vol.13, issue.Suppl 2, pp.1-8, 2006.
DOI : 10.1123/jab.13.2.254

L. Paavolainen, A. Nummela, H. Rusko, and K. Hakkinen, Neuromuscular Characteristics and Fatigue During 10???km Running, International Journal of Sports Medicine, vol.20, issue.8, pp.516-521, 1999.
DOI : 10.1055/s-1999-8837

D. A. Padua, B. L. Arnold, D. H. Perrin, B. M. Gansneder, C. R. Carcia et al., Fatigue, vertical leg stiffness, and stiffness control strategies in males and females, Journal of Athletic Training, vol.41, pp.294-304, 2006.
DOI : 10.1097/00005768-200205001-00563

G. Rabita, J. Slawinski, O. Girard, F. Bignet, and C. Hausswirth, Spring-Mass Behavior during Exhaustive Run at Constant Velocity in Elite Triathletes, Medicine & Science in Sports & Exercise, vol.43, issue.4, pp.685-692, 2011.
DOI : 10.1249/MSS.0b013e3181fb3793

URL : https://hal.archives-ouvertes.fr/hal-01469459

E. Z. Ross, S. Goodall, A. Stevens, and I. Harris, The Time Course of Neuromuscular Changes during Running in Well-Trained Subjects, Medicine & Science in Sports & Exercise, vol.6, pp.1184-1190, 2010.
DOI : 10.1249/MSS.0b013e3181c91f4e

V. Wank, U. Frick, and D. Schmidtbleicher, Kinematics and Electromyography of Lower Limb Muscles in Overground and Treadmill Running, International Journal of Sports Medicine, vol.19, issue.07, pp.455-461, 1998.
DOI : 10.1055/s-2007-971944

D. S. Williams, I. S. Mcclay, and K. Manal, Lower Extremity Mechanics in Runners with a Converted Forefoot Strike Pattern, Journal of Applied Biomechanics, vol.16, issue.2, pp.210-218, 2000.
DOI : 10.1123/jab.16.2.210

G. Rabita, Changes in spring-mass behavior and electromyography activity during an exhaustive run at V ? O2max, Journal of Biomechanics, 2013.