Rhomboid minor muscle

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Rhomboid minor
Image:Rhomboideus minor.png
Muscles connecting the upper extremity to the vertebral column. (Rhomboideus minor visible at upper center right, near shoulder.)
Latin	musculus rhomboideus minor
Gray's	subject #121 434
Origin:	nuchal ligaments and spinous processes of C7 to T1 vertebrae
Insertion:	medial border of the scapula, superior to the insertion of rhomboid major muscle
Artery:	dorsal scapular artery
Nerve:	dorsal scapular nerve (C4 and C5)
Action:	Retracts the scapula and rotates it to depress the glenoid cavity. It also fixes the scapula to the thoracic wall.
Antagonist:	Serratus anterior muscle
Dorlands/Elsevier	m_22/12550544

The Rhomboideus minor arises from the lower part of the ligamentum nuchæ and from the spinous processes of the seventh cervical and first thoracic vertebræ.

It is inserted into the base of the triangular smooth surface at the root of the spine of the scapula, and is usually separated from the Rhomboideus major by a slight interval, but the adjacent margins of the two muscles are occasionally united.

Additional images

Left scapula. Dorsal surface.

The scapular and circumflex arteries.

External links

• LUC rhmn
• 194641998 at GPnotebook
• SUNY Labs 01:st-0211
• rhomboid+minor+muscle at eMedicine Dictionary

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e List of muscles of upper limbs
VERTEBRAL COLUMN	trapezius - latissimus dorsi - rhomboid (major, minor) - levator scapulae
THORACIC WALLS	pectoralis major - pectoralis minor - subclavius - serratus anterior
SHOULDER	deltoid - rotator cuff (supraspinatus, infraspinatus, teres minor, subscapularis) - teres major
ARM	anterior compartment: coracobrachialis - biceps brachii - brachialis posterior compartment: triceps brachii - anconeus
FOREARM	anterior compartment: superf. - pronator teres - palmaris longus - flexor carpi radialis - flexor carpi ulnaris - flexor digitorum superficialis anterior compartment: deep - pronator quadratus - flexor digitorum profundus - flexor pollicis longus posterior compartment: superf. - mobile wad (brachioradialis, extensor carpi radialis longus and brevis) - extensor digitorum, - extensor digiti minimi - extensor carpi ulnaris posterior compartment: deep - supinator - anatomical snuff box (abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus) - extensor indicis
HAND	lateral volar - thenar (opponens pollicis, flexor pollicis brevis, abductor pollicis brevis) - adductor pollicis medial volar - hypothenar (opponens digiti minimi, flexor digiti minimi brevis, abductor minimi digiti) - palmaris brevis intermediate - lumbrical - interossei (dorsal, palmar)

de:Musculus rhomboideus minor

fr:Muscle petit rhomboïde id:Otot rhomboideus minor it:Muscolo piccolo romboide hu:Kis rombuszizom nl:Musculus rhomboideus minor ja:小菱形筋sv:Rhomboideus minor