Quiz #4 Flashcards
what causes myofascial compartment syndrome?
increased institial pressure w/closed myofascial compartment
where is myofascial compartment syndrome likely to occur?
in the envelopes of the lower leg, forearm, thigh, and foot where the fascia can’t give or expand
why is myofascial compartment syndrome most likely to occur in the lower leg?
the tibia and fibular create harder barriers than fascia
what can the following conditions cause:
fractures
severe contusions
crush injuries
excessive skeletal traction
reperfusion injuries and trauma
shin splints?
myofascial compartment syndrome
what are some other risk factors for myofascial compartment syndrome?
burns
circumferential wraps/restrictive dressings
cast/other unyielding immobilizer
what are the pain descriptors of myofascial compartment syndrome?
deeping, throbbing pressure
t/f: compartment syndrome can cause sensory deficits/paresthesia distal to the area of involvement
true
what are the objective signs of severe compartment syndrome?
swelling w/smooth shiny, red skin
extremity is tense on palpation
passive stretch increases pain
what is the standard intervention for compartment syndrome?
prompt surgical decompression
what is a subluxation?
partial disruption of anatomic relationship w/in a jt
what joints are at risk for subluxation?
mobile jts
what is a dislocation?
complete movement of a bone out anatomical jt alignment
what are the general guidelines for soft tissue injuries?
immediate immobilization but shouldn’t last too long
what is the treatment for soft tissue injury?
early movement
why is early movement important in treatment of soft tissue injuries?
it allows induces rapid intensive capillary ingrowth into injured area
better repair of muscles fibers
more parallel orientation of regenerating myofibers compared w/immobilization
what should be avoided in the first week post soft tissue injury?
stretching
what is the PT role in soft tissue injuries?
prevention of detrimental effects of immobilization
promote tissue flexibility
minimize inflammation
enhance tissue healing
in 7-10 days post soft tissue injury, what can be done?
gradual progression in using injured muscles more actively
pain and tolerance as guide in setting limits
isometric training should be started 1st then progressed to isotonic training
what is the damaging role of fluoroquinolone use in soft tissue injuries?
tendinopathy
jt tenderness
swelling
when do the damaging effects of fluoroquinolone usually set in?
6 months post use
what are possible side effects of creatine use?
muscles cramping
diarrhea and other GI symptoms
dehydration
how are soft tissue injuries prevented?
early participation of young children in sports
PTs identify risk factors b4 injuries
what is heterotopic ossification (HO)?
bone formation in non-osseous tissues
ectopic bone formation
what often occurs following fractures, surgery, SCI, TBI, burns, and amputations?
heterotrophic ossification (HO)
who is more at risk for HO, men or women?
men
t/f: there seems to be some kind of link b/w the severity of injury and formation of ectopic bone?
true
why is HO common in military personnel?
from blast injuries
what are the risk factors for HO?
serious traumatic injury
previous history of HO
ankylosing spondylitis (AS)-fused vertebrae
diffuse idiopathic skeletal hyperostosis-bone growth down the anterior vertebrae
what are the most common locations affected by HO?
hip, elbow, knee, shoulder, and TMJ
what a common feature of both HO and myositis ossificans (MO)?
deposits of mature lamellar bone
what is the location of HO?
non-osseous tissue
what is the location of MO?
bruised, damaged, or inflammed muscle
what most likely affects pluripotent mesenchymal (stem) cells that could differentiate intocartilage, bone, or tendon/ligament become osteoblasts instead?
HO
what phase of HO is being described: inflammatory process resulting in edema and degeneration of muscle tissue?
acute phase
in HO, after a few weeks, the inflammed tissue is replaced with ____ and ____
cartilage and bone
what is the Hallmark sign of HO?
progressive loss of jt motion at a time when post traumatic inflammation should be resolving
as ectopic ossification advances…
acute symptoms may subside
motion continues to decrease even with intervention
t/f: ectopic ossification can result in abnormal hard end feels
true
how can HO be prevented?
radiation
what are the potential side effects of HO treatment with radiation?
GI disturbance and osteomalacia
what is used to reduce frequency and magnitude of ectopic bone formation in some areas?
NSAIDS
what is contraindicated in rehab of HO?
forcible jt manipulation as this could create more inflammation and perpetuate the problem
what is rehab phase 1 of HO?
1-2 weeks post
minimize swelling and scar formation, pain management, PROM and AROM
what is rehab phase 2 of HO?
2-6 weeks post
some modalities, self-passive stretching, weighted stretches, static/dynamic progressive splinting, functional use of affected area, strengthen if appropriate
when are bone fractures usually healed, allowing more aggressive splinting?
week 6
when is scar tissue fully formed but still malleable?
6-12 weeks
what is the 3rd phase of rehab in HO?
6-12 weeks post
healed bone=more aggressive splinting
fully formed malleable scar tissue
splinting an resistive exercises can continue to maximize gains in motion
what is the last phase of rehab in HO?
3-6 months post
organized fibrotic scar tissue
may get small gains, but often motion has reached plateau
what is polymyalgia rheumatica?
bilateral symmetrical diffuse pain and stiffness primarily in shoulder and pelvic girdle musculature
what structures does polymyalgia rheumatica affect?
neck, SC, shoulders, hips, low back, and buttocks
t/f: polymyalgia rheumatica can start with upper or lower symtoms
true
what are the Hallmark features of polymyalgia rheumatica?
painful stiffness lasting greater than an hour in the morning
why is diagnosis of polymyalgia rheumatica often delayed?
bc it can look like normal aging
polymyalgia rheumatica can indicate what endocrine disorder, malignancy, or infection?
giant cell arteritis
what is giant cell arteritis?
inflammation of arteries of the head and neck
what are the s/s of giant cell arteritis?
blurred or lost vision
headaches
jaw pain
what % of ppl with polymyalgia rheumatica can develop giant cell arteritis?
15-20%
t/f: polymyalgia rheumatica has a known etiology
false
what muscle testing can be done for polymyalgia rheumatica?
serum creatinine-kinase levels
electromyograms
muscle biopsy
what are the s/s of polymyalgia rheumatica?
aching and stiffness
flu-like symptoms
sometimes peripheral manifestations
how is polymyalgia rheumatica diagnosed?
rapid response to Prednisone
ESR > 30-40 mm/hr
diagnosis of exclusion
MRI/US when ESR is normal
when would a PT do an immediate referral on a patient in regards to polymyalgia rheumatica?
when the patient develops a temporal headache, temporal tenderness, scalp sensitivity, or visual complaints
what are the side effects of Prednisone?
weight gain
mood swings
cataracts
glaucoma
diabetes
easy bruising
rounding of the face
difficulty sleeping
HTN
what is rhabdomyolysis?
rapid breakdown of skeletal muscle tissue caused by a large release of creatine phosphokinase (CPK) enzymes and other cell byproducts into the bloodstream
what can these all be a cause of:
accumulation of muscles proteins
high dose statins
herbal supplements
strenuous exercise
toxic effects (ethanol, methanol, heroine)
metabolic abnormalities
rhabdomyolysis
what is statin induced rhabdomyolysis?
mild myopathy following initiation of statin therapy
what are risk factors for rhabdomyolysis?
over 80 y/o
small, frail body structure
kidney or liver disease
drinking excessive grapefruit juice (over a quart a day)
use of other meds
alcohol abuse
how is rhabdomyolysis diagnosed?
patient reported muscles pain and mild to severe weakness
urine color change to tea or cola color
urine dipstick (blood but no cells-myoglobinuria)
lab test confirmation
how is rhabdomyolysis medically managed?
rehydration and correction of electrolyte imbalances
dialysis for renal failure
how does acute care PT treat rhabdomyolysis?
AROM and AAROM w/in limits of pain
how is rhabdomyolysis treated in outpatient PT?
strength and functional limitations
what does the prognosis for rhabdomyolysis depend on?
kidney damage
in mild cases of rhabdomyolysis, when can patients return to normal activities?
within a few weeks to a month
what is a developmental disorder?
a collection of syndrome that are either present or in the process of developing at birth
what is the most common chromosomal disorder?
Down syndrome
with Down syndrome, maternal age of <30 y/o has an incidence of __ in __ births
1/2000
with Down syndrome, maternal age of >40 y/o has an incidence of __ in __ births
1/20
what is the etiology of Down syndrome?
trisomy 21 (47 chromosomes instead of 46)
deterioration of oocyte, environmental factors, viruses
translocation of chromosome 15, 21, 22
what are the clinical manifestations of Down syndrome?
flat nose and occiput
almond eyes
congenital heart disease
language, cognitive, and motor delays
short limbs and broad hands and feet
simian crease in the palm just below the metacarpals
otitis media (ear infections)
compromised respiratory system
decreased antibody response
decreased feeding ability
increased risk of Alzheimers at a younger age
increased risk for eye problems and cancer
heart septum defects
what are musculoskeletal manifestations of Down syndrome?
soft laxity and muscle hypotonia
patellar subluxations
risk of patella riding laterally with knee valgus
foot overpronation
knee valgus
trendelenburg sign
scoliosis
SCFE
hip dislocation
OA or AA instability
SC compression
decreased step length
decreased knee flexion at heel strike
knee hyperextension
decreased single limb support
decreased push off at terminal stance
slower rxns
delayed developments of midline UE movement
obesity and OA later in life
what is the Trendelenburg sign?
hip drop from weak gluteus medius
what is the atlantooccipital joint?
joint between C0 and C1
“yes joint”-flexion and extension
50% total flex/ex ROM in cervical spine
occipital condyles and superior articular facet of the atlas
ellipsoid jt
what is the atlanto-axial jt?
jt b/w C1 and C2
“no jt”-rotation
50% total rotation of cervical spine
anterior arch of atlas, transverse ligament, and dense
pivot and plane jts
t/f: a fractured dens is a contraindication for PT
true
due to AA instability in Down syndrome, what are some activity avoidances?
direct downward, traction, and translatory motions in the cervical spine
manual therapy, some surgeries, tumbling, diving, horseback riding, football, soccer, wrestling, and trampoline
what are some precautions with Down syndrome?
carnival rides, roller coasters, and spinning rides
cord compression can lead what UMN signs?
clonus
hyperreflexia
Babinski sign
b/b signs
weakness
altered sensation
what is a PT role in Down syndrome activity limitations?
educating the family and public of risks and precautions
promoting active lifestyle early to decrease risk of obesity, DM, and CVD
how do cardiac defects in Down syndrome impact activity levels?
they have to work harder due to increased HR, O2 consumption, and minute ventilation
need to work closely with PTs to guide activity safely
need to keep peak HR and VO2 lower
what are the 2 upper cervical tests?
transverse ligament sharp purser test
alar ligament test
what is the sharp purser test?
stabilize C2 and provide slight neck flexion and posteriorly directing force to feel for a clunk
what is a negative sharp purser test?
no movement
what is a positive sharp purser test?
clunk feel/production of symptoms
what is the alar ligament test?
stabilize C2 and provide SB force from the head and allow no rotation to feel for excessive motion
what is a negative alar ligament test?
about 10 deg w/firm end feel
what a positive alar ligament test?
excessive motion/reproduction of symptoms
how is Down syndrome managed?
specific medical management
- antibiotics for infection
- cardiac surgery
- monitoring thyroid function
- address gross and fine motor development
- promote physical activity early
what is scoliosis?
abnormal lateral curvature in the frontal place which includes abnormal rotation of the spine in the transverse plane
is an S curve or C curve more common in scoliosis?
S curve
what is the most common scoliosis?
idiopathic scoliosis
what is idiopathic scoliosis?
unknown cause
most common scoliosis
what is osteopathic scoliosis?
bone abnormality
what is myopathic scoliosis?
muscle imbalance
what is neuropathic scoliosis?
CNS disorder
what is neuromuscular scoliosis?
a combo of myopathic and neuropathic scoliosis (muscle imbalance with CNS disorder)
CP, polio, muscular dystrophy, myelomeningocele
what % of scoliosis cases are infantile (0-3 yo)?
1%
what is the most common curve in infantile scoliosis?
L thoracic curve
is infantile scoliosis more common in males or females?
males