Levator scapulae
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