Traction Flashcards
what type of load is placed during traction?
distractive
what type of loading is best for ligaments? what does this allow the ligament to do? when is ligament deformation greater?
slow loading
lengthen as it absorbs force
with slow rate of loading
why is reduction in disk herniation unstable?
because herniation tends to return when compressive forces return
what occurs at the facet joints?
decompression allowing for greater synovial fluid exchange for cartilage nourishment
what is the first clinical sign indicative of pressure on a nerve?
tingling
what posture can increase the size of lumbar foramen bilaterally?
90 degree knees to chest
what is used to test tolerance to traction?
manual lumbar traction
what spine position allows for the greatest intervertebral foramen opening?
neutral lumbar spine
for disk protrusions, what is considered the best position?
prone position with normal to a slightly flattened lumbar lordosis - put pillows to go into more flexion
it will require force greater than ____ body weight to cause distraction of lumbar spine.
1/4
what force is good enough to cause vertebral separation
1/2 body weight
how much weight should be used at first attempt as a traction force?
30 lbs
what decreases friction?
split table
how much weight should you put for a manual cervical traction?
<20 lb
manual cervical traction should be performed with what else?
other concurrent treatments
