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resources ABOUT MT AUTHOR GUIDELINES CLASSIFIEDS EDITORIAL CALENDAR MEDIA GUIDE MASSAGE MART SCHOOLS & EDUCATION FEEDBACK |
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September, 2004, Vol. 04, Issue 09 Backhand InjuriesBy Ben Benjamin, PhD Question: When hitting backhand in tennis, which shoulder muscle is primarily responsible for that movement? Answer: The infraspinatus muscle. The backhand motion is a forceful lateral rotation of the humerus. The infraspinatus muscle lies in the infraspinatus fossa just below the spine of the scapula. At the lateral edge is the teres minor, which works along with the infraspinatus. The tendon of the infraspinatus is very wide and long.
True or False? Resisted lateral rotation of the humerus primarily tests the supraspinatus muscle-tendon unit.
Click here for more information about Ben Benjamin, PhD.
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