scalenus anterior muscle

(redirected from anterior scalene muscle)

sca·len·us an·te·ri·or muscle

(skā-lē'nŭs an-tēr'ē-ŏr mŭs'ĕl)
Lateral muscle of inferior half of neck; origin, anterior tubercles of transverse processes of third to sixth cervical vertebrae; insertion, scalene tubercle of first rib; action, raises first rib; nerve supply, cervical plexus.
Synonym(s): anterior scalene muscle, musculus scalenus anterior, musculus scalenus anticus.
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References in periodicals archive ?
Intramuscular hemangioma in the anterior scalene muscle diagnosed by core needle biopsy.
Posttraumatic Intramuscular Hemangioma Arising from Scalene Muscles in Supraclavicular Region
Upon exiting their respective neural foramina, the roots travel in the interscalene space, bounded anteriorly by the anterior scalene muscle, posteriorly by the middle/posterior scalene muscles, and inferiorly by the subclavian artery/first rib.
MRI of the brachial plexus: A practical review
The first site is the interscalene triangle, where compression can occur between the anterior scalene muscle, middle scalene muscle and the medial surface of the first rib inferiorly.
Thoracic outlet syndrome of pectoralis minor etiology mimicking cardiac symptoms on activity: a case report
Christo used a CT scanner to guide the placement of the needle in the patient's anterior scalene muscle in the neck.
Botox Eases Nerve Pain in Certain Patients
Anterior scalene muscle arises from the anterior tubercles of the transverse processes of third or fourth to the sixth cervical vertebrae (Hollinshead, 1968).
In 15% of cases, C5 and C6 roots may fuse before piercing the anterior scalene muscle or C5 root alone can pierce the belly of anterior scalene muscle, as seen in 13% of cases.
The scalenus accessorious muscle/ El musculo escaleno accesorio
Myoelectric manifestations of sternocleidomastoid and anterior scalene muscle fatigue in chronic neck pain patients.
The posterior triangle of the neck: where is scalenus anterior?
A cervical rib may cause symptoms by narrowing the space between the posterior aspect of the first rib and anterior scalene muscle through which the nerves and subclavian artery pass to enter the axilla.
Klippel-Feil syndrome associated with pneumatocyst of the right cervical rib
Two of the most important musculoskeletal considerations in TOS are the amount of space between the rib and clavicle, the costoclavicular space and interscalene triangle (the space bounded by the anterior scalene muscle anteriorly), the middle scalene posteriorly, and the first rib inferiorly.
Thoracic Outlet Syndrome: A Review of the Literature
The subclavian artery travels through the interscalene triangle with the plexus, while the subclavian vein courses anteriorly to the anterior scalene muscle.
Imaging of the brachial and sacral plexus
The results revealed increased electromyographic amplitude of the large superficial sternocleidomastoid, and anterior scalene muscles in patients with neck pain.
Efficacy of deep neck flexor exercise for neck pain: a randomized controlled study/Boyun agrisinda derin boyun fleksor egzersizinin etkinligi: randomize kontrollu calisma
2,4,6,10,11) Compression of the vein in the thoracic outlet through lateral abduction of the arm or hypertrophy of subclavian or anterior scalene muscles can cause turbulence in the vein, which is exacerbated by increased venous flow experienced during exercise.
Effort thrombosis: a case study and discussion

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