low back pain Flashcards
how common is LBP
4th cause MD visits. 33% of pop. 20% have activity limit.
risk factors for LBP
work (heavy lifting, bending, twisting, vibration), obesity, arthritis or osteoporosis, physical inactivity, pregnancy, >30 yrs old, bad posture, stress or depression. smoking.
PMH and FH are important
trauma, surgery, illness, deformities. family important for congenital, scoliosis, arthritis, genetics.
classification acute
<6 weeks
subacute
6-12 weeks
chronic/persistent/recurrent
> 12 weeks.
moderately serious things to watch out
risk for chronicity, psychological factors, neurological, intractable pain that is refractory.
serious things to watch out for
age (55), significant trauma, unexplained weight loss, widespread neurological changes. massive paresis, bowel/bladder dysfunction, excruciating pain, UMN signs.
what to look for on inspection
alignment, contour, symmetry, size, gross deformity. look at muscle size, fasciculations or spasms. posture. heat, tenderness, swelling, crepitus.
assessing ROM and strength.
spinal mobility and legs (hip flexion ext rotation. thigh abduction adduction, knee flexion and extension. ankles and toes. manual muscle test. 5 = 100% 0 = no evidence of muscle contraction.
myotome for hip flexion
l1/l2
myotome for knee extenison
L3
myotome for ankle dorsiflexion
L4
myotome for great toe extensor
L5
myotome for plantar flexion
s1