Publications
Book Chapters
Christou EA, Tracy BL, & Enoka RM. The Steadiness of Lengthening Contractions. In Progress in Motor Control, Volume II: Structure-Function Relations in Voluntary Movements. pp.195-207, 2002. Human Kinetics, Champaign IL. (Full text -pdf)
Christou EA & Tracy BL. Aging and Motor Output Variability. In Movement System Variability. pp. 199-215, 2005. Human Kinetics, Champaign IL. (Full text -pdf)
Refereed Papers
Christou EA & Carlton LG. Old adults exhibit greater motor output variability than young adults only during rapid discrete isometric contractions. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 56: B524-B532, 2001. (Full text -pdf)
Christou EA, Grossman M, & Carlton LG. Modeling variability of force during isometric quadriceps femoris muscle contractions. Journal of Motor Behavior 34: 67-81, 2002. (Full text -pdf)
Christou EA & Carlton LG. Age and contraction type influence motor output variability in rapid discrete tasks. Journal of Applied Physiology 93: 489-499, 2002. (Full text -pdf)
Christou EA & Carlton LG. Motor output is more variable during eccentric compared with concentric contractions. Medicine and Science in Sports and Exercise 34: 1773-1778, 2002.(Full text -pdf)
Enoka RM, Christou EA, Hunter SK, Kornatz KW, Semmler JG, Taylor AM, & Tracy BL. Mechanisms that contribute to differences in motor performance between young and old adults. Journal of Electromyography and Kinesiology 13: 1-12, 2003.(Full text -pdf)
Rosengren KS, Christou EA, Yang Y, Kass D, Boule A. Quantification of Taiji learning in older adults. Journal of the American Geriatric Society 51: 1-2, 2003.(Full text -pdf)
Christou EA, Shinohara M & Enoka RM. Force fluctuations impair accuracy during anisometric contractions performed by young and old adults. Journal of Applied Physiology 95: 373-384, 2003.(Full text -pdf)
Taylor AM., Christou EA & Enoka RM. Multiple features of motor-unit activity influence force fluctuations during isometric contractions. Journal of Neurophysiology 90: 1350-61, 2003. (Full text -pdf)
Christou EA, Yang, Y & Rosengren, K. Taiji training improves knee extensor strength and force control in older adults. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 58: 763-766, 2003.(Full text -pdf)
Christou EA & Carlton LG. Force control is greater in the upper compared with the lower extremity. Journal of Motor Behavior 35: 322-324, 2003.(Full text -pdf)
Christou EA. Patellar taping increases vastus medialis oblique activity in the presence of patellofemoral pain. Journal of Electromyography and Kinesiology 14: 495-504, 2004. (Full text -pdf)
Christou EA, Jakobi J, Critchlow A, Fleshner M, & Enoka RM. The 1-2 Hz oscillations in force are exacerbated by stress, especially in older adults. Journal of Applied Physiology 97: 225-236, 2004.(Full text -pdf)
Kornatz KW, Christou EA, & Enoka RM: Practice reduces motor unit discharge variability in a hand muscle and improves manual dexterity in old adults. Journal of Applied Physiology 98: 2072-80, 2005.(Full text -pdf)
Moritz CT, Christou EA, Meyer FG, & Enoka RM. Coherence at 16-32 Hz can be caused by short-term synchrony of motor units. Journal of Neurophysiology, 94: 105-118, 2005.(Full text -pdf)
Peterson ML, Christou EA, & Rosengren KS. Children achieve adult-like postural control at twelve years old. Gait and Posture, 2005.(Full text -pdf)
Christou EA. Visual feedback attenuates force fluctuations induced by stress. Medicine and Science in Sports and Exercise, 37: 2126-33, 2005. (Full text -pdf)
Mottram CJ, Christou EA, & Enoka RM. Frequency modulation of motor unit discharge has task-dependent influences on fluctuations in motor output. Journal of Neurophysiology, 94: 2878 – 2887, 2005.(Full text -pdf)
Christou EA, Rudroff T, Enoka J, Meyer FG, & Enoka RM. Discharge rate during low-force isometric contractions influences motor unit coherence below 15 Hz but not motor unit synchronization. Exp Brain Res,178: 285-295, 2007. (Full text -pdf)
Rudroff T, Christou EA, Poston B, Bojsen-Moller J, & Enoka RM. Time to task failure during fatiguing contractions can be predicted by EMG activity. Muscle Nerve, 35: 657-666, 2007.(Full text -pdf)
Christou EA, Poston BJ, Enoka JA & Enoka RM. Different adaptations improve end-point accuracy with practice in young and old adults. Journal of Neurophysiology, 97: 3340-50, 2007.(Full text -pdf)
Christou EA and Rodriguez TM. Time and not force is transferred between ipsilateral upper and lower limbs. Journal of Motor Behavior, In Press.