пятница, 31 марта 2017 г.

Trigger Point Therapy - Teres Minor

Posted by Team NAT on Mar 31, 2017

 Teres Minor Trigger Points - often associated with Rotator Cuff Injuries

The teres minor decelerates internal rotation of the shoulder joint.
Inhibition in this muscle due to short/ spastic subscapularis, latissimus dorsi, teres major, and pectoralis major muscles sets up the ideal conditions for repetitive stress in sports, such as swimming and rugby, and in any activity involving acceleration through internal/external rotation and flexion/extension of the shoulder complex.
Numbness or tingling will be felt in the fourth and fifth digits of the same arm, as well as pain in the posterior shoulder at the greater tuberosity. Teres minor myofascial trigger points are often sponsored by the subscapularis.

Teres Minor Trigger Points
Teres Minor - Common Trigger Point Site

A member of the rotator cuff, which comprises the supraspinatus, infraspinatus, teres minor, and subscapularis.
The rotator cuff helps hold the head of the humerus in contact with the glenoid cavity (fossa, socket) of the scapula during movements of the shoulder, thus helping to prevent dislocation of the joint.
Upper two-thirds of lateral border of dorsal surface of scapula. 
Lower facet on greater tubercle of humerus. Capsule of shoulder joint.
As a rotator cuff muscle, helps prevent upward dislocation of shoulder joint. Laterally rotates humerus. Weakly adducts humerus. Antagonists: subscapularis, pectoralis major, latissimus dorsi.
Axillary nerve, C5, 6, from posterior cord of brachial plexus. 
Basic Functional Movement
Example: brushing hair back.
Shoulder pain (especially posterior), frozen shoulder syndromerotator cuffrehabilitation, subacromial bursitisbiceps tendonitis, shoulder pain at top outer section of shoulder blade near posterior deltoid, often associated with other shoulder problems (especially rotator cuff issues), numbness/tingling in 4th and 5th fingers.
Note: Trigger points in the teres minor muscle mainly cause a deep pain in the shoulder which can sometimes be misinterpreted as bursitis
Reaching above 90 degrees and/or reaching behind back, gripping steering wheel in RTA, holding heavy object for long time, computer/mouse, overuse syndromes. 
Differential Diagnosis
C8–T1 radiculopathy. Rotator cuff tendinopathy. Shoulder–wrist–hand syndrome. Subacromial/deltoid bursitis. Shoulder impingement syndromes (painful arc). Acromioclavicular joint dysfunction.
Trigger Point Treatment
 Spray and StretchYES
Muscle Energy TechniquesYES
Positional ReleaseYES
Dry NeedlingYES

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