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Infraspinatus muscle
Infraspinatus origin/insertion/actions/trigger points
Question | Answer |
---|---|
Origin | Infraspinous fossa of the scapula |
Insertion | Greater tubercle of the humerous |
The infraspinatus rotates in which direction? | Lateral rotation of the shoulder |
What bony prominance is located superior to the infraspinatus? | Spine of the scapula |
Does the infraspinatus flex or extend the shoulder? | Extend |
The infraspinatus does adduction of the shoulder as well as what other action? | Horizontal abduction of the shoulder |
What does the infraspinatus stabilize in the glenoid cavity? | The head of the humerous |
What muscles are superficial to the Infraspinatus? | Deltoid and Trapezius |
Trigger point pain in the infraspinatus could cause you to have pain in which area? | Mid- thoracic back pain |
Which sports require you to use the infraspinatus? | Tennis, racquetball, and baseball |
When working on the infraspinatus trigger point where would the client feel the secondary sensation? | Pain is referred down the arm |
How can you treat a client with infraspinatus pain? | Apply gliding pressure over the muscle going from the point of origin to the point of insertion. |