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@article{Elliott:2011,
author = {Elliott, SC and Hanson, JR and Wellington, J and Alexander, CM},
journal = {J Electromyogr.Kinesiol.},
pages = {1087--1091},
title = {Reflex control of posterior shoulder muscles from arm afferents in healthy people},
url = {pm:21764599},
volume = {21},
year = {2011}
}

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TY  - JOUR
AB  - In order to position the hand during functional tasks, control of the shoulder is required. Heteronymous reflexes from the upper limb to shoulder muscles are used to assist in this control. To investigate this further, the radial and ulnar nerves were stimulated at elbow level whilst surface electromyographic activity of posterior deltoid, infraspinatus and latissimus dorsi muscles were recorded. In addition, the cutaneous branch of the radial nerve and the skin of the fifth digit were stimulated in order to investigate any cutaneous contribution to reflex activity. Reflexes were evoked in all three of these shoulder muscles from hand and/or forearm afferents. However, the reflexes differed; whereas both excitatory and inhibitory reflexes were evoked in posterior deltoid and infraspinatus, the reflexes in latissimus dorsi were mainly excitatory. Cutaneomuscular reflexes were seldom evoked here, but when they were present they were generally evoked at longer latencies than the reflexes evoked by mixed nerve stimulation. The results suggest a role for reflexes originating from the forearm and/or hand in the control of the shoulder
AU  - Elliott,SC
AU  - Hanson,JR
AU  - Wellington,J
AU  - Alexander,CM
EP  - 1091
PY  - 2011///
SP  - 1087
TI  - Reflex control of posterior shoulder muscles from arm afferents in healthy people
T2  - J Electromyogr.Kinesiol.
UR  - pm:21764599
VL  - 21
ER  -

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