muscles of back and neck Flashcards
trapezius origin, insertion and innervation?
origin:
- sup nuchal line
- vertebrae c1-c6 via nuchal lig
insert: - clavicle and acromion of scapula
innervation: accesory nerve + anterior rami spinal n. c3-c4
latissimus dorsi origin, insertion and innervation?
o:
- vertebrae t7-s5
- PSIS
i:
- crest of lesser tubercle
innervation: thoracodorsal n.
rhomboid major origin, insertion and innervation?
o: vertebrae T1-T4 ( spinous processes)
i: scapula 2/3 of medial border
innervation: dorsal scapular n.
rhombojd minor origin, insertion and innervation?
o: vertebrae C6-C7 ( spinous processes)
i: scapula cranial 1/3 of medial border
innervation: dorsal scapular n.
levator scapulae origin, insertion and innervation?
o: vertebrae C1-C4
i: scapula ( sup angle)
innervtion: dorsal scapular n. and ant rami of spinal n. C3-C4
serratus post sup origin, insertion and innervation?
o: spinous process of C6-T2
i: 2-5 rib
innervation: intercostal 1-4 n.
seratus post inf origin, insertion and innervation?
o: spinous processes T11-L2
i: 9-12 rib
innervation: intercostal 9-11 n.
splenius capitis origin, insertion and innervation?
o: spinous processes c7-t4
i: mastoid process
innervation: post rami of spinal n.
splenius cervicis origin, insertion and innervation?
o: spinous processes T3- T6
i: transverse process C1-C3
innervation: post rami of spinal n.
rectus capitis post major origin, insertion and innervation?
o: spinous process C2
i: inferior nuchal line on occipitl bone
innervation: suboccipital n.
rectus capit post minor origin, insertion and innervation?
o: atlas ( post tubercle)
i: inf nuchal line on occipital bone
innervation: suboccipital n.
obliquus capitis sup?
o: atlas ( tranansverse process)
i: lateral part of inf nuchal line
suboccipital n.
obliquus capitis inf?
o: c2 ( spinous process)
i: atlas, transverse process
innervation: suboccipital n.
