Interspinous Ligament, Ligamentum Nuchae, and Supraspinous Ligament

Question 1

What is now thought to be a major function of the interspinous ligament?

Answer 1

it is more likely a proprioceptive transducer for the spinal reflex

Question 2

What is the name given to the superficial layer of the ligamentum nuchae?

Answer 2

the funicular layer or part

Question 3

What is the name given to the deep layer of the ligamentum nuchae?

Answer 3

the lamellar layer or part

Question 4

What are the attachment sites for the superficial layer of the ligamentum nuchae?

Answer 4

the EOP, external occipital crest, and spinous tubercle of C7

Question 5

What is the histological make-up of the human ligamentum nuchae?

Answer 5

it is a yellow elastic ligament, but has more collagen fibers than quadrupeds

Question 6

What is the classic function of the human ligamentum nuchae?

Answer 6

it brakes or limits flexion of the cervical spine

Question 7

What is the termination level inferiorly for the supraspinous ligament according to current literature?

Answer 7

primarily at L4 (73%); between L4 and L5 (5%)

Question 8

What is now thought to be a major function of the supraspinous ligament?

Answer 8

it is a proprioceptive transducer for the spinal reflex