Rotator Cuff: Difference between revisions
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'''Lead Editors''' - Your name will be added here if you are a lead editor on this page. [[Physiopedia:Editors|Read more.]] | '''Lead Editors''' - Your name will be added here if you are a lead editor on this page. [[Physiopedia:Editors|Read more.]] | ||
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== Description == | == Description == | ||
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== Common injuries to the rotator cuff == | == Common injuries to the rotator cuff == | ||
Rotator cuff injuries are common injuries that can occur at any age. In younger subjects, most injuries occur secondary to trauma or arise from overuse due to overhead activities (e.g. volleyball, tennis, pitching). Incidence of injuries increases with age, however some individuals with rotator cuff pathology may be asymptomatic. | |||
Most common injuries to the rotator cuff: | |||
• [[Rotator Cuff Tears|Rotator cuff tears]]<br>• [[Rotator Cuff Tendinopathy|Rotator cuff tendinopathy]]<br>• [[Rotator Cuff Tendinitis|Rotator cuff tendinitis]]<br> | • [[Rotator Cuff Tears|Rotator cuff tears]]<br>• [[Rotator Cuff Tendinopathy|Rotator cuff tendinopathy]]<br>• [[Rotator Cuff Tendinitis|Rotator cuff tendinitis]]<br> | ||
Revision as of 12:06, 29 August 2011
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Description[edit | edit source]
Rotator cuff is a common name for the group of 4 distinct muscles and their tendons that provide strength and stability during motion of the shoulder. The muscles arise from the scapula and connect to the head of the humerus, forming a cuff at the glenohumeral joint.
Anatomy[edit | edit source]
The rotator cuff muscles include:
| Origen on scapula | Insertion on humerus | Primary function | |
|---|---|---|---|
| M. supraspinatus | supraspinous fossa | superior facet of greater tuberosity | abduction |
| M. infraspinatus | infraspinous fossa | middle facet of greater tuberosity | exorotation |
| M. teres minor | lateral border of scapula | inferior facet of greater tuberosity | exorotation |
| M. subscapularis | subscapular fossa | lesser tuberosity or humeral neck | endorotation |
The rotator cuff muscles are used in a variety of upper extremity movements including flexion, abduction, internal rotation and external rotation. They are essential players in almost every type of shoulder movement. Balanced strength and flexibility in each of the four muscles are vital to maintain functioning of the entire shoulder girdle.
Cranial to the rotator cuff, there is a bursa that covers and protects the muscle tendons as they are in close contact to the surrounding bones.
Common injuries to the rotator cuff[edit | edit source]
Rotator cuff injuries are common injuries that can occur at any age. In younger subjects, most injuries occur secondary to trauma or arise from overuse due to overhead activities (e.g. volleyball, tennis, pitching). Incidence of injuries increases with age, however some individuals with rotator cuff pathology may be asymptomatic.
Most common injuries to the rotator cuff:
• Rotator cuff tears
• Rotator cuff tendinopathy
• Rotator cuff tendinitis
Key Research[edit | edit source]
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Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
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