Changes in the functional MR signal in motor and non-motor areas during intermittent fatiguing hand exercise

Experimental Brain Research

Volumn 182, Issue 1, 2007, Pages 93-97

  Benwell, Nicola M ^a   Mastaglia, Frank L ^a   Thickbroom, Gary W ^a  

^a UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

Intermittent exercise; Sensorimotor cortex; Visual cortex

Indexed keywords

ADULT; ARTICLE; EXERCISE; FATIGUE; FEMALE; FUNCTIONAL MAGNETIC RESONANCE IMAGING; HAND FUNCTION; HAND GRIP; HAND MOVEMENT; HEMISPHERE; HUMAN; HUMAN EXPERIMENT; MALE; MOTOR CORTEX; MOTOR PERFORMANCE; NORMAL HUMAN; PREMOTOR CORTEX; PRIORITY JOURNAL; SENSORIMOTOR CORTEX; TASK PERFORMANCE; VISUAL CORTEX;

ADOLESCENT; ADULT; CEREBRAL CORTEX; DATA INTERPRETATION, STATISTICAL; EXERCISE; FEMALE; FUNCTIONAL LATERALITY; HAND; HAND STRENGTH; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MAGNETIC RESONANCE IMAGING; MALE; MIDDLE AGED; MOTOR CORTEX; MUSCLE FATIGUE; SOMATOSENSORY CORTEX; VISUAL CORTEX;

EID: 34548294710     PISSN: 00144819     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00221-007-0973-5     Document Type: Article

References (14)

1. Benwell NM, Byrnes ML, Mastaglia FL, Thickbroom GW (2005) Primary sensorimotor cortex activation with task-performance after fatiguing hand exercise. Exp Brain Res 167:160-164
2. Benwell NM, Mastaglia FL, Thickbroom GW (2006a) Differential changes in long-interval intracortical inhibition and silent period duration during fatiguing exercise. Exp Brain Res 179:255-262
3. Benwell NM, Mastaglia FL, Thickbroom GW (2006b) Reduced functional activation after fatiguing exercise is not confined to primary motor areas. Exp Brain Res 175:575-583
4. Benwell NM, Sacco P, Hammond GR, Byrnes ML, Mastaglia FL, Thickbroom GW (2006c) Short-interval cortical inhibition and corticomotor excitability with fatiguing hand exercise: a central adaptation to fatigue? Exp Brain Res 170:191-198
5. Bigland-Ritchie B, Johansson R, Lippold OC, Smith S, Woods JJ (1983) Changes in motoneurone firing rates during sustained maximal voluntary contractions. J Physiol 340:335-346
6. Duvernoy HM (1999) The human brain: surface, three-dimensional sectional anatomy with MRI, and blood supply. Springer, New York
7. Gandevia SC, Allen GM, Butler JE, Taylor JL (1996) Supraspinal factors in human muscle fatigue: evidence for suboptimal output from the motor cortex. J Physiol (Lond) 490:529-536
8. Gonzalez-Alonso J, Dalsgaard MK, Osada T, Volianitis S, Dawson EA, Yoshiga CC, Secher NH (2004) Brain and central haemodynamics and oxygenation during maximal exercise in humans. J Physiol 557:331-342
9. Jorgensen LG, Perko G, Secher NH (1992) Regional cerebral artery mean flow velocity and blood flow during dynamic exercise in humans. J Appl Physiol 73:1825-1830
10. Liu JZ, Dai TH, Sahgal V, Brown RW, Yue GH (2002) Nonlinear cortical modulation of muscle fatigue: a functional MRI study. Brain Res 957:320-329
11. Liu JZ, Shan ZY, Zhang LD, Sahgal V, Brown RW, Yue GH (2003) Human brain activation during sustained and intermittent submaximal fatigue muscle contractions: an FMRI study. J Neurophysiol 90:300-312
12. Madsen PL, Sperling BK, Warming T, Schmidt JF, Secher NH, Wildschiodtz G, Holm S, Lassen NA (1993) Middle cerebral artery blood velocity and cerebral blood flow and O2 uptake during dynamic exercise. J Appl Physiol 74:245-250
13. Sacco P, Thickbroom GW, Thompson ML, Mastaglia FL (1997) Changes in corticomotor excitation and inhibition during prolonged sub-maximal muscle contractions. Muscle Nerve 20:1158-1166
14. Taylor JL, Butler JE, Allen GM, Gandevia SC (1996) Changes in motor cortical excitability during human muscle fatigue. J Physiol (Lond) 490:519-528