Rhomboid Minor Muscle

Author: Scott A. Sheffield MS

Last update:

Tthe rhomboid minor muscle is a small shoulder muscle that helps to elevate the scapula.

image descriptionRhomboid Minor Muscle

Rhomboid Minor Muscle with labels: Trapezius, deltoid, triceps brachii, latissimus dorsi
Rhomboid Minor Muscle with labels: Levator scapulae, supraspinatus, infraspinatus
Rhomboid Minor Muscle with labels: Teres minor and major
Rhomboid Minor Muscle with labels: Insertion and origin
Rhomboid Minor Muscle with labels: Rhomboideus minor
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Attachments of Rhomboid Minor Muscle:

image descriptionOrigin & image descriptionInsertion

Origin: (proximal attachments)
a. Spinous process of C7-T1 vertebrae.

Insertion: (distal attachments)
a. Medial border of scapula superior to spina scapulae.

Rhomboid Minor Muscle with labels: Rhomboideus minor
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Actions on the shoulder (scapula):

image descriptiona. Retracts the medial border of scapula while it downwardly rotates the lateral angle.

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image descriptionb. Elevates the medial border of scapula while it downwardly rotates the lateral angle.

Innervation of Rhomboid Minor Muscle:

  • Dorsal scapular nerve (C5).

An Overview of the Rhomboid Minor Muscle

Posterior view labeled: Origin and Insertion
Posterior view labeled: Rhomboid major
Posterior view labeled: Rhomboid major and minor
Posterior view labeled: Rhomboid major and minor, levator scapulae
Posterior view labeled: Rhomboid major and minor, levator scapulae, teres minor
Posterior view labeled: Rhomboid major and minor, levator scapulae, teres minor and major
Posterior view labeled: Rhomboid major and minor, levator scapulae, teres minor and major, latissimus dorsi
Posterior view labeled: Rhomboid major and minor, levator scapulae, teres minor and major, latissimus dorsi, triceps brachii
Posterior view labeled: Levator scapulae, infraspinatus, teres major, triceps brachii, latissimus dorsi
Posterior view labeled: Levator scapulae, supraspinatus, teres minor and major, triceps brachii, latissimus dorsi
Posterior view labeled: Levator scapulae, trapezius, deltoid, teres minor and major, latissimus dorsi, triceps brachii
Posterior view labeled: Levator scapulae, trapezius, deltoid, teres minor and major, latissimus dorsi, triceps brachii
Posterior view labeled: Trapezius, deltoid, teres minor and major, triceps brachii, latissimus dorsi
Test yourself while observing the rhomboid minor muscle anatomy
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