Origin/Insertion_Neck and Suboccipitals Flashcards
Rectus Capitis Posterior Major
O: axis (SP)
I: lateral part of inferior nuchal line; surface just inferior to nuchal line
Rectus Capitis Posterior Minor
O: atlas (tubercle on posterior arch)
I: medial portion inferior nuchal line; surface between inferior nuchal line and foramen magnum
Oblique Capitis Superior
O: TP, superior surface of atlas
I: between superior and inferior nuchal lines; lateral semispinalis capitis
Oblique Capitis Inferior
O: apex of SP of axis
I: TP atlas
Longissimus Capitis
O: TP T1-T5, articular process C4-C7
I: mastoid process
Splenius Capitis
O: Ligamentum nuchae (C3-C7); SP C7-T4
I: mastoid process; surface below lateral 1/3 superior nuchal line
Semispinalis Capitis
O: TP of C7, T1-T6; articular processes C4-C6
I: between superior and inferior nuchal lines
Spinalis Capitis
O: SP C5-C7, T1-T3
I: between superior and inferior nuchal lines
Longissimus Cervicis
O: tips TP T1-T5
I: posterior tubercles of TP C2-C6
Semispinales Cervicis
O: TP T1-T5
I: SP axis, C2-C5
Iliocostalis Cervicis
O: Ribs 3-6 (angles), sometimes 1 and 2 also
I: TP, posterior tubercle C4-C6
Splenius Cervicis
O: SP T3-T6
I: posterior tubercle TP C1-C3
Spinalis Cervicis
O: SP C6-C7 and sometimes T1-T2; ligamentum nuchae
I: spine of axis, SP C2-C3
Interspinales Cervicis
SP of contiguous cervical vertebrae; 6 pairs (first between axis and C3; last between C7 and T1)
Intertransversii Cervicis
both ant and post at each segment; ant: interconnect ant tubercles of contiguous TP; post: interconnect posterior tubercles of contiguous TP
Rotatores Cervicis
O: TP of C
I: base of spine of next highest vertebrae
Rectus Capitis Anterior
O: TP and anterior surface of lateral mass of atlas
I:inferior surface of basilar occiput
Rectus Capitis Lateralis
O: TP atlas
I: jugular process
Longus Capitis
O: anterior tubercles TP C3-C6
I: inferior basilar part
Scalenus Anterior
O: anterior tubercle TP C3-C6
I: scalene tubercle of 1st rib
Scalenus Medius
O: posterior tubercles TP C2-C7; sometimes atlas
I: superior surface of 1st rib
Scalenus Posterior
O: posterior tubercles of TP C4-C6
I: outer surface 2nd rib
Sternocleidomastoid
O: sternal head: manubrium, ventral surface of sternum; clavicular head: superior and anterior surface of medial 1/3 of clavicle
I: mastoid process; lateral half of superior nuchal line
