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infraspinatus

   Also found in: Acronyms, Wikipedia 0.02 sec.
in·fra·spi·na·tus (nfr-sp-nts)
n.
A muscle with origin from the infraspinous fossa of the scapula, with insertion to the great tubercle of the humerus, with nerve supply from the suprascapular nerve, and whose action extends the arm and rotates it laterally.

Infraspinatus
A muscle at the middle of the shoulder blade.
Mentioned in: Tendinitis

infraspinatus.
infraspinatus
infraspinous.

infraspinatus muscle
see Table 13.3.


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Lewis Yocum trimmed the fraying of the infraspinatus tendon in the shoulder, which was injured during spring training as he was rehabilitating from rotator cuff surgery.
Therapists recorded mild, moderate, or severe findings with respect to broad categories of: muscle wasting (supraspinatus, infraspinatus, deltoid), decreased muscle strength (supraspinatus, infraspinatus, serratus anterior, etc), and decreased active and passive ROM.
The four rotator cuff muscles (two of them--the infraspinatus and teres minor, are shown) play key roles in much of this arm movement.
 
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