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The dorsal scapular nerve is a branch of the brachial plexus, usually derived from the ventral ramus of cervical nerve C5. It provides motor innervation to the rhomboid major muscle, rhomboid minor muscle, and levator scapulae muscle. Dorsal scapular nerve syndrome can cause a winged scapula, with pain and limited motion.
Referred pain, also called reflective pain, [1] is pain perceived at a location other than the site of the painful stimulus.An example is the case of angina pectoris brought on by a myocardial infarction (heart attack), where pain is often felt in the left side of neck, left shoulder, and back rather than in the thorax (chest), the site of the injury.
Posterior ramus syndrome, also referred to as thoracolumbar junction syndrome, Maigne syndrome and dorsal ramus syndrome is caused by the unexplained activation of the primary division of a posterior ramus of a spinal nerve (dorsal ramus of spinal nerve). This nerve irritation causes referred pain in a well described tri-branched pattern. The ...
The large rhombus-shaped muscle, located under the trapezius muscle, in the upper part of the thoracic region of the back, and the small muscle, in the same way, participate in the movement of the scapula. [4] Their functions are the following: [1] [2] [3] Drawing scapula superomedially; Supporting scapula; Rotating glenoid cavity inferiorly
Digastric branch of facial nerve; Dorsal branch of ulnar nerve; Dorsal nerve of clitoris; Dorsal nerve of the penis; Dorsal scapular nerve; Esophageal plexus; Ethmoidal nerves; External laryngeal nerve; External nasal nerve; Facial nerve; Femoral nerve; Frontal nerve; Gastric plexuses; Geniculate ganglion; Genital branch of genitofemoral nerve ...
Medial border of scapula, superior to the insertion of rhomboid major muscle: Artery: Deep branch of transverse cervical artery: Nerve: Dorsal scapular nerve (C4–5) Actions: Retracts and rotates scapula, fixes scapula to thoracic wall: Antagonist: Serratus anterior: Identifiers; Latin: musculus rhomboideus minor: TA98: A04.3.01.008: TA2: 2233 ...
Injury to Erb's point is commonly sustained at birth or from a fall onto the shoulder.The nerve roots normally involved are C5 and partly C6. Symptoms include paralysis of the biceps, brachialis, and coracobrachialis (through the musculocutaneous nerve); the brachioradialis (through the radial nerve); and the deltoid (through the axillary nerve).
The spinal accessory nerve crosses laterally in the middle part of the muscle and the dorsal scapular nerve may lie deep to or pass through it. [ 4 ] The levator scapulae may lie deep to the sternocleidomastoid at its origin, deep or adjacent to the splenius capitis at its origin and mid-portion, and deep to the trapezius in its lower portion.