Rhomboid minor muscle

Rhomboid minor muscle is a muscle located in the upper back region, specifically between the scapula and the vertebral column. It is named for its rhomboid shape and is smaller than the nearby rhomboid major muscle.

Anatomy

The rhomboid minor muscle originates from the spinous processes of the seventh cervical (C7) and first thoracic (T1) vertebrae. It inserts onto the medial border of the scapula, superior to the insertion of the rhomboid major muscle.

Function

The primary function of the rhomboid minor muscle is to retract the scapula, pulling it towards the vertebral column. It also helps to elevate the scapula and rotate it downwards.

Clinical significance

Injury or strain to the rhomboid minor muscle can cause pain in the upper back, between the shoulder blades. This is often due to poor posture, heavy lifting, or other physical activities.

See also

• Rhomboid major muscle
• Scapula
• Vertebral column

References

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