Accessory Muscles of the Vertebral Column

Question 1

interspinalis is paired in which regions of the spine

Answer 1

cervical and lumbar

Question 2

location interspinalis will be absent along the spine

Answer 2

T3-T4 down to T10-T11

Question 3

based on the density of muscle spindles what is the proposed function of the interspinalis

Answer 3

acts as a proprioceptive transducer in conjunction with intertransversarii to coordinate the smooth movement of the spine and to maintain appropriate posture

Question 4

which of the cervical intertransversarii is innervated by dorsal rami of cervical spinal nerves

Answer 4

posterior medial belly, cervical intertransversarii

Question 5

origin of the medial belly of the lumbar intertransversarii

Answer 5

accessory process of transverse process L1-4

mammillary process of superior articular process L1-4

Question 6

lumbar intertranvsersarii that is innervated by both dorsal rami of lumbar spinal nerves

Answer 6

medial belly, lumbar interstransversarii

Question 7

muscle group is innervated by both dorsal rami and ventral rami of spinal nerves

Answer 7

interstranversarii

Question 8

based on the density of muscle spindles what is the proposed function of the intertransversarii

Answer 8

proprioceptive transducer in conjunction with interspinalis to coordinate smooth movement of the spine and to maintain appropriate posture