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Rhomboid major
Region
Origin & Insertion
['Origin: Spinous processes of T2–T5', 'Insertion: Medial border of scapula below spine']
Synergistic Muscles
['Middle trapezius', 'Levator scapulae']
Joints
['Scapulothoracic joint']
Primary Actions
['Retracts scapula', 'Downward rotation']
Nerve & Spinal Segment
Dorsal scapular nerve
Brachial plexus; C4–C5
Interesting
Strong postural stabilizer. [Gray’s]
Reversal of Action
Move thorax toward scapula (bracing cue)
Common Dysfunctions
Poor scapular retraction, postural fatigue
How to Stretch
Bear hug stretch with thoracic flexion.
Trigger Points
How to Strengthen
Scapular retraction exercises.
Concentric Action
Scapular retraction and downward rotation
Applications:
Posture re-education and scapular coordination
Eccentric Action
Control protraction of scapula
Isotonic Action
Rows, scapular squeezes
Related Conditions
['Scapular instability', 'Rotator cuff overload']
Isometric Action
Hold retracted shoulder blades
Exercise Ideas
['Bent over rows', 'Face pulls', 'Resistance band pull-aparts']
Related Blogs
Images
Videos
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