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Supraspinatus muscle information


Supraspinatus muscle
Position of the supraspinatus muscle (red) seen from the back.
Posterior view of muscles connecting the upper extremity to the vertebral column. Supraspinatus muscle is labeled in red at right, while it is covered by other muscles at left.
Details
OriginSupraspinous fossa of scapula
InsertionSuperior facet of greater tubercle of humerus
ArterySuprascapular artery
NerveSuprascapular nerve
ActionsAbduction of arm and stabilizes humerus
Identifiers
Latinmusculus supraspinatus
TA98A04.6.02.006
TA22457
FMA9629
Anatomical terms of muscle
[edit on Wikidata]

The supraspinatus (pl.: supraspinati) is a relatively small muscle of the upper back that runs from the supraspinous fossa superior portion of the scapula (shoulder blade) to the greater tubercle of the humerus. It is one of the four rotator cuff muscles and also abducts the arm at the shoulder. The spine of the scapula separates the supraspinatus muscle from the infraspinatus muscle, which originates below the spine.

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Supraspinatus muscle

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The supraspinatus (pl.: supraspinati) is a relatively small muscle of the upper back that runs from the supraspinous fossa superior portion of the scapula...

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cuff. The four muscles are: supraspinatus muscle infraspinatus muscle teres minor muscle subscapularis muscle. The supraspinatus muscle spreads out in...

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the acromion. It is particularly associated with tendonitis of the supraspinatus muscle. This can result in pain, weakness, and loss of movement at the shoulder...

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Subscapularis muscle

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rotator cuff interval, it is easily possible to distinguish between the supraspinatus and the subscapularis tendon. Those two tendons build the interval sling...

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Deltoid muscle

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and work in coordination with other muscles of the shoulder girdle include pectoralis major and supraspinatus. The axillary nerve is sometimes damaged...

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Teres major muscle

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muscle #5 teres major muscle #6 teres minor muscle #7 supraspinatus muscle #8 infraspinatus muscle #13 long head of triceps brachii muscle Surface anatomy of...

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Infraspinatus muscle

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supraspinatus, the reason why the infraspinatus is involved in rotator cuff tears about as frequently as the supraspinatus. The tendon of this muscle...

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Suprascapular nerve

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external rotation of the humerus, and wasting away of supraspinatus and infraspinatus. Supraspinatus muscle helps in 0°-15° arm abduction. And Infraspinatus...

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cranial side of the sternum, and inserts into the dorsal side of the supraspinatus muscle. Rectus capitis dorsalis major and rectus capitis dorsalis minor:...

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coracobrachialis muscle deltoid muscle rotator cuff muscles : infraspinatus muscle subscapularis muscle supraspinatus muscle teres minor muscle teres major muscle Other...

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Shoulder joint

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their respective muscles (supraspinatus muscle, infraspinatus, teres minor, and subscapularis) stabilize and fix the joint. The supraspinatus, infraspinatus...

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Humerus

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the highest of these gives insertion to the supraspinatus muscle; the middle to the infraspinatus muscle; the lowest one, and the body of the bone for...

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Supraspinous fossa

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origin to the Supraspinatus. The fossa can be exposed by the removal of skin and the superficial fascia of the back and the trapezius muscle. The supraspinous...

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Teres minor muscle

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(Latin teres meaning 'rounded') is a narrow, elongated muscle of the rotator cuff. The muscle originates from the lateral border and adjacent posterior...

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Greater tubercle

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attachment points for the supraspinatus, infraspinatus, and teres minor muscles, three of the four muscles of the rotator cuff, a muscle group that stabilizes...

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gear ratio if the muscle fibers must be squeezed into the same space. The rotator cuff comprises four pennate muscles, the supraspinatus, infraspinatus,...

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Rotator cuff tear

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tears, with the vast majority being in the supraspinatus tendon.[citation needed] The role of the supraspinatus is to resist downward motion, both while...

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Suprascapular artery

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the bone, running through the suprascapular canal underneath the supraspinatus muscle, to which it supplies branches. It then descends behind the neck...

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Supraspinal

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cord and vertebral column: brain or above the spine of scapula: supraspinatus muscle supraspinatous fascia supraspinatous fossa supraspinous ligament...

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Spinatus muscle

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Spinatus muscle may refer to: Infraspinatus muscle Supraspinatus muscle This disambiguation page lists articles associated with the title Spinatus muscle. If...

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Coracoacromial ligament

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clavicle and under surface of the deltoid muscle are above it.[citation needed] The tendon of the supraspinatus muscle (and its bursa) are below it. Its lateral...

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allowing for a larger supraspinatus muscle. Through the process of evolution, humans have lost the atlantoclavicularis muscle, originating on the atlas...

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Watson JC, Wilson AM (January 2007). "Muscle architecture of biceps brachii, triceps brachii and supraspinatus in the horse". Journal of Anatomy. 210...

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abducting the arm from approximately 15° away from the body. The supraspinatus muscle initiates abduction from a fully adducted position.[citation needed]...

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Levator scapulae muscle

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which passes laterally to the supraspinatus fossa of the scapula, and in a third of cases, this branch supplies the muscle. If the dorsal scapular artery...

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Glenoid fossa

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muscle (at bottom left). Animation of glenohumeral joint. The muscle shown is supraspinatus muscle. Glenopolar angle Al-Redouan, Azzat; Kachlik, David (2022)...

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