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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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