Cervical Flashcards
Muscle Attachments
Sternocleidomastoid
O - Anterior surface of manubrium, and superior surface of medial-third of clavicle
I - Lateral surface of mastoid process of temporal bone, and lateral-half of superior nuchal line of occipital bone
Anterior Scalenes
O - Transverse processes of C3-C6
I - Scalene tubercle on inner-superior border of first rib
Middle Scalene
O - Posterior tubercles of transverse processes of C5-C7 vertebrae
I - Superior surface of 1st rib, posterior to groove for subclavian artery/subclavian groove (anterolaterally)
Posterior Scalene
O - Posterior tubercles of transverse processes of C5-C7 vertebrae
I - Exterior border of second rib, around its angle
Splenius Cervicis
O - Spinous processes of T3-T6
I - Posterior tubercles of transverse processes of C1-C4
Splenius Capitis
O - Lower nuchal ligament, and spinous processes of C7-T4
I - Lateral aspect of mastoid process of temporal bone, and lateral-third of superior nuchal line on occipital bone
Longus Colli
O - Inferior Head: Bodies of C5-T3 vertebrae; Superior Head: Transverse processes of C3-C5 vertebrae
I - Inferior Head: Transverse processes of C3-C6 vertebrae; Superior Head: Anterior tubercle of C1 vertebra (atlas), and bodies of C1-C3
Longus Capitis
O - Anterior tubercles of C3-C6 transverse processes
I - Base of occipital bone
Rectus Capitis Anterior
O - Anterior surface of lateral mass of atlas (C1 vertebra)
I - Base of cranium, just anterior to occipital condyle
Rectus Capitis Lateralis
O - Transverse process of atlas (C1 vertebra)
I - Jugular process of occipital bone (lateral to occipital condyles/medial to peak of mastoid process of temporal)