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Postural adjustments associated with rapid voluntary arm movements 1. Electromyographic data.
Open accessAbstract
Normal subjects made bilaterally symmetric rapid elbow flexions or extensions ("focal movement") while free standing or when supported by being strapped to a firm wall behind them (different "postural set"). In some trials a load opposed the movement two thirds of the way into its course. Electromyographic activity in leg and trunk muscles ("associated postural adjustments") demonstrated specific patterns for each type of movement. Activity in these muscles began prior to activity in the arm muscles and demonstrated a distal-to-proximal order of activation. The EMG patterns were characterised by alternating activity in the antagonist pairs similar to the triphasic pattern seen in the arm muscles. When the movement type was changed change of the pattern of the postural muscles occurred over several trials. It is concluded that the associated postural adjustments are pre-programmed motor activity linked to the focal movement, specific for the focal movement including anticipated events and the postural set.
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Citations
Cited by
Movement, posture and equilibrium: Interaction and coordination
Massion, J. (1992) · Progress in Neurobiology · doi:10.1016/0301-0082(92)90034-c · Cited by 1,647
Hodges, P. W., & Richardson, C. A. (1999) · Archives of Physical Medicine and Rehabilitation · doi:10.1016/s0003-9993(99)90052-7 · Cited by 630
Aruin, A., & Latash, M. (1995) · Experimental Brain Research · doi:10.1007/bf00231718 · Cited by 468
Lee, W. A., Buchanan, T. S., & Rogers, M. W. (1987) · Experimental Brain Research · doi:10.1007/bf00243303 · Cited by 333
Allum, J. H. J., Carpenter, M. G., Honegger, F., Adkin, A. L., & Bloem, B. R. (2002) · The Journal of Physiology · doi:10.1113/jphysiol.2001.015644 · Cited by 329
Metadata
- Authors
- Friedli, W. G., Hallett, M., & Simon, S. R.
- Venue
- Journal of Neurology, Neurosurgery & Psychiatry
- Publisher
- BMJ
- Published
- 1984-06-01
- Volume
- 47
- Issue
- 6
- Pages
- 611-622
- ISSN
- 0022-3050 (ISSN-L)
- OpenAlex
- W2037943451
- Cited by
- 262
- References
- 0
- FWCI
- 1.74
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Friedli, W. G., Hallett, M., & Simon, S. R. (1984). Postural adjustments associated with rapid voluntary arm movements 1. Electromyographic data. Journal of Neurology, Neurosurgery & Psychiatry. https://doi.org/10.1136/jnnp.47.6.611
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