Search Results - "Christie, Anita D."

Neuromuscular behaviour in the first dorsal interosseus following mental fatigue by Marsala, Michael J., Christie, Anita D.

“…We examined sex‐specific changes to neuromuscular function in response to mental fatigue. Twenty‐five young, healthy adults (13 F, 12 M) performed a mentally…”
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Motor unit firing rates during constant isometric contraction: establishing and comparing an age-related pattern among muscles by Kirk, Eric A, Christie, Anita D, Knight, Christopher A, Rice, Charles L

“…Motor unit (MU) firing rate (FR) frequency is lower in aged adults, compared with young, at relative voluntary contraction intensities. However, from a variety…”
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Sex differences in the impact of state and trait fatigue on gait variability by Kowalski, Katie L., Boolani, Ali, Christie, Anita D.

“…Conditions requiring greater attention or cognitive control, such as fatigue, lead to changes in the motor performance of a task. Perceived fatigue refers to…”
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Physical activity, sleep quality, and self-reported fatigue across the adult lifespan by Christie, Anita D., Seery, Emily, Kent, Jane A.

“…Deteriorating sleep quality and increased fatigue are common complaints of old age, and poor sleep is associated with decreased quality of life and increased…”
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Force Control and Motor Unit Firing Behavior Following Mental Fatigue in Young Female and Male Adults by Kowalski, Katie L, Anita D, Christie

“…: The neuromuscular mechanisms leading to impaired motor performance in the presence of mental fatigue remain unclear. It is also unknown if mental fatigue…”
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The Effect of Mental Fatigue on Neuromuscular Function is Similar in Young and Older Women by Morris, Amanda J, Christie, Anita D

“…The purpose of this study was to examine the effect of a mentally fatiguing task on neuromuscular function in young and older women. Neuromuscular measures…”
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Excitability, Inhibition, and Neurotransmitter Levels in the Motor Cortex of Symptomatic and Asymptomatic Individuals Following Mild Traumatic Brain Injury by Yasen, Alia L., Lim, Miranda M., Weymann, Kristianna B., Christie, Anita D.

“…Purpose: The purpose of this study was to determine the level of excitability and inhibition, as well as the concentrations of excitatory and inhibitory…”
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Influence of sex on performance fatigability of the plantar flexors following repeated maximal dynamic shortening contractions by Lanning, Amelia C, Power, Geoffrey A, Christie, Anita D, Dalton, Brian H

“…The purpose was to determine sex differences in fatigability during maximal, unconstrained velocity, shortening plantar flexions. The role of time-dependent…”
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Acute and longitudinal changes in motor cortex function following mild traumatic brain injury by Miller, Nick R., Yasen, Alia L., Maynard, Logan F., Chou, Li-Shan, Howell, David R., Christie, Anita D.

“…Abstract Primary objective: To evaluate excitability and inhibition of the motor cortex acutely and longitudinally following mild traumatic brain injury…”
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The Role of Active Rehabilitation in Concussion Management: A Systematic Review and Meta-analysis by CARTER, KATHRYN M., PAUHL, ALEXANDRA N., CHRISTIE, ANITA D.

“…To conduct a systematic review and meta-analysis of active rehabilitation on concussion management. We also examined moderator variables that may contribute to…”
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Glutamate and GABA concentrations following mild traumatic brain injury: a pilot study by Yasen, Alia L, Smith, Jolinda, Christie, Anita D

“…Animal models of mild traumatic brain injury (mTBI) suggest that metabolic changes in the brain occur immediately after a mechanical injury to the head. Proton…”
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The effect of a mentally fatiguing task on postural balance control in young and older women by Morris, Amanda J., Christie, Anita D.

“…The purpose of this study was to examine the effect of a mentally fatiguing task on postural responses to unexpected backward perturbations in sixteen young…”
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Mental fatigue does not substantially alter neuromuscular function in young, healthy males and females by Kowalski, Katie L., Tierney, Bernadette C., Christie, Anita D.

“…•Mental fatigue (MF) does not alter dorsiflexion MVC force in young adults.•MF is unlikely to substantially alter NM function during submaximal isometric…”
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Reliability of glutamate and GABA quantification using proton magnetic resonance spectroscopy by Yasen, Alia L., Smith, Jolinda, Christie, Anita D.

“…•Determination of the reliability of 1H-MRS is proposed.•1H-MRS is a reliable method for quantifying glutamate and GABA concentration.•1H-MRS may be a valuable…”
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How many motor units is enough? An assessment of the influence of the number of motor units on firing rate calculations by Marsala, Michael J., Gabriel, David A., Greig Inglis, J., Christie, Anita D.

“…The number of motor units included in calculations of mean firing rates varies widely in the literature. It is unknown how the number of decomposed motor units…”
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Sex-Related Differences in Functional Fitness Outcomes in Older Adults by Marsala, Michael J, Belfry, Shannon, Orange, Joseph B, Christie, Anita D

“…Sex-related differences in changes in functional fitness over time were longitudinally assessed in older adults participating in a group-based multimodal…”
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Motor Cortex Function in APOE4 Carriers and Noncarriers by Yasen, Alia L., Eick, Geeta N., Sterner, Kirstin N., Christie, Anita D.

“…PURPOSE:The ε4 allele of the apolipoprotein-E gene has been associated with disease activity including Alzheimer disease, multiple sclerosis, and…”
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Heterogeneous effects of old age on human muscle oxidative capacity in vivo: a systematic review and meta-analysis by Fitzgerald, Liam F, Christie, Anita D, Kent, Jane A

“…Despite intensive efforts to understand the extent to which skeletal muscle mitochondrial capacity changes in older humans, the answer to this important…”
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Assessment of motor cortex excitability and inhibition during a cognitive task in individuals with concussion by Edwards, Eli K., Christie, Anita D.

“…Primary objective: To examine the function of the motor cortex during executive function tasks in individuals with concussion, relative to healthy controls…”
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Return to Physical Activity Timing and Dual-Task Gait Stability Are Associated 2 Months Following Concussion by Howell, David R, Osternig, Louis R, Christie, Anita D, Chou, Li-Shan

“…The effect of physical activity resumption on functional recovery following concussion is poorly understood. We sought to examine the relationship between…”
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