Levator scapulae

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origin of sternocleidomastoid

manubrium of the sternum, medial third of the clavicle

insertion of longissimus capitis

posterior margin of the mastoid process

origin of longissimus

posterior sacrum, transverse processes of T1 to T5, L1 to L5, and C5 to C7

synergists muscles to levator scapulae

rhomboid major, rhomboid minor, and middle fibers of trapezius

levator scapulae is superior to

rhomboid minor, scalenus anterior, scalenus posterior, and scalenus medius

origin of splenius cervicis

spinous processes of T3 to T6

levator scapulae is lateral to

splenius cervicis, longissimus, semispinalis, spinalis cervicis

levator scapulae is deep to

sternocleidomastoid, splenius capitis, and trapezius

origin of levator scapulae

transverse processes of C1 to C2 and posterior tubercles of C3 and C4

insertion of splenius cervicis

transverse processes of C1 to C3

origin of longissimus capitis

transverse processes of T1 to T5 and articular processes of C4 to C7

fixators of the levator scapulae

erector spinae, supraspinatus, infraspinatus, teres minor and subscapularis

origin of the trapezius

external occipital protuberance, superior nuchal line, nuchal ligament, spinous processes of C7 to T12, and supraspinous ligament of C7 to T12

origin of the splenius capitis

inferior nuchal ligament and spinous processes of C7 to T4

Insertion of trapezius

lateral third of the clavicle, acromion process, and scapular spine

antagonist muscles to levator scapulae

latissimus dorsi, pectoralis major and minor, serratus anterior, subclavius, an trapezius lower fibers

inertion of spinalis cervicis

spinous processes of C2

origin of rhomboid minor

spinous processes of C7 to T1

origin of oblique capitis superior

transverse process of C1

origin of scalenus medius

transverse process of C2 to C7

origin of scalenus anterior

transverse process of C3 to C6

insertion of iliocostalis

transverse process of C4 to C7 and ribs 1-12

insertion of oblique capitis superior

inferior nuchal line

origin of iliocostalis

posterior iliac crest and ribs 3-12

insertion of scalenus anterior

rib 1

insertion of scalenus medius

rib 1

insertion of scalenus posterior

rib 2

origin of scalenus posterior

transverse process of C5 to C7

insertion of semispinalis

between superior and inferior nuchal line, spinous process of 5th and 6th segment of the cervical and thoracic region

interesting blurb

can be referred to as fight or flight muscle as it will contract and raise when the body is stressed is part of the floor of the posterior triangle of the neck which contains the strutchers of the jugular vein's superficial location, spinal accessory, brachial plexus, transverse cervical artery and suprascapular artery

action of levator scapulae

elevate the scapula, lateral flesion of the cervical spine, extension of the cervical spine, and rotates the scapula to depress the glenoid cavity.

levator scapulae is superficial to

iliocostalis muscle, longissimus capitis

insertion of the sternocleidomastoid

mastoid process and lateral half of the superior nuchal line

insertion of the splenius capitis

mastoid process and superior nuchal line at the lateral region

insertion of longissimus

mastoid process, transverse processes of C2 to T12, and ribs 4-12

insertion of rhomboud minor

medial border of the scapula

insertion of levator scapulae

medial border of the scapula superior angle to the root of the spine

Levator scapulae is medial to

no other muscles

levator scapulae is inferior to

oblique capitis superior

trigger point referal pattern

tp can cause pain and stiffness in the angle of the neck, refer a lesser degree of pain along the inner ede of the shoulder blade and back of the shoulder

origin of spinalis cervicis

transverse process of C6 to T2

origin of semispinalis

transverse process of vertebral segment

common injuries of levator scapulae

upper cross syndrom, spasmodic toticollis or wryneck syndrome, stiff neck and vascular headache


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