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.
References in periodicals archive ?
The subclavian artery travels through the interscalene triangle with the plexus, while the subclavian vein courses anteriorly to the anterior scalene muscle.
Examples include entrapment of the lower trunk at the insertion of the anterior scalene muscle on the first rib (scalenus anticus syndrome), entrapment by a crossing cervical rib (cervical rib syndrome), (10) and compression by subclavian artery aneurysm.
Christo used a CT scanner to guide the placement of the needle in the patient's anterior scalene muscle in the neck.
Myoelectric manifestations of sternocleidomastoid and anterior scalene muscle fatigue in chronic neck pain patients.
Repeatability of surface EMG variables in the sternocleidomastoid and anterior scalene muscles.
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.