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what are SI joint syndromes?
SIJ sprain and sacroiliitis
what are the disorders of the SIJ and pelvis?
SI joint syndrome, piriformis syndrome and osteitis pubis
what is the definition of SI joint syndromes?
pain syndrome presenting with pain over 1 sacroiliac joint which may be accompanied by referred pain to the buttock, groin and leg
what are the causes of SI joint syndromes?
dysfunction or lesion to the joint
what percent of SIJ syndrome cases are from a one time event?
44%
what percent of SIJ syndrome cases are from repetitive injury?
20%
what percent of SIJ syndrome cases had idiopathic/spontaneous onset?
35%
whaat are is the kirkaldy-willis explanation of causes of SIJ syndrome?
minor dysfunction and sustained contraction of muscle overlying joint
can SI joint cause low back pain?
yes
is there a standard pain referral system for SI joint syndromes?
no
how is SI joint syndrome pain described?
local aching, burning or dull pain that can be sharp at times
when is there point tenderness or pain with SIJ syndrome?
with motion palpation
what is true of radiation of pain with SIJ syndromes?
no radiation of pain above L5
where are common places for referred pain with SIJ syndrome?
buttock, posterior or lateral thigh, groin or anterior pelvis
what are some common conditions of the SIJ?
sprain, sacroiliitis, infection, seronegative arthritides, degenerative joint disease, joint dysfunction
what are the seronegative arthritides of the SIJ?
ankylosing spondylitis, Reiter's, psoriatic
what are the 7 examples SIJ orthopedic tests?
Gaenslen's test
Lewin-Gaelen's test
Yeoman's
Nachlas
Pelvic Rock
Hibb's
Sign of the Buttocks
how is the distraction/compression test performed?
patient is supine. pressure is applied first in a posterior and lateral (compression) direction on ASIS simultaneously and then is applied in an anterior and medial direction of the ASIS (distraction)
how is a sacral thrust test performed?
patient is prone, examiner delivers an anteriorly directed thrust/pressure directly over the sacrum to reproduce SI pain
what is the management of SIJ syndromes?
CMT, prolotherapy, stabilization and rehabilitation exercises, changing postures and avoid prolonged activities
what is prolotherapy?
inject sclerosing agent to tighten SI ligaments
what muscles need to be stabilized/rehabilitated to manage SI syndromes?
glute medius, glute max, abdominals, QL, iliopsoas, rectus femoris and hamstrings
how does an SIJ sprain present?
sharp, stabbing pain over SIJ that may radiate down the leg or into the groin as a dull ache
what is the MOI of an SIJ sprain?
following lifting an object, straightening up from stooped position, or repeated stoop/stand, patient with ligamentous laxity
what is the examination for SIJ sprain?
any procedure or activity that induces SIJ extension, compression, or distraction may be provocative. tenderness to direct palpation
what is the management of SIJ sprains?
SIJ belt, cautious CMT, ice, core stabilization
what is sacroiliitis?
inflammation of the SIJ
what is piriformis syndrome?
buttock pain with or without sciatic nerve pain secondary to injury or contracture of the piriformis muscle
what may piriformis syndrome mimic?
radiculopathy
what are the possible pain patterns of piriformis syndrome?
groin, posterior thigh into calf and ankle and foot
what can exacerbate piriformis syndrome pain?
activity, bowel movement, prolonged sitting, or rise from seated position
what is the origin of the piriformis?
anterior surface of the lateral sacrum and sacrotuberous ligament
what is the insertion of pirifromis?
greater trochanter
where does the sciatic nerve pass in regards to the pirifromis muscle?
below piriformis or through muscle or divided through and above/below
what are the causes of pirifromis syndrome?
SIJ dysfunction, trauma, prolonged sitting postures or activities requiring internal rotation of leg with flexion
what are the palpation findings of piriformis syndrome?
tenderness on muscle O and I, SIJ restriction is likely
what are the ROM findings of piriformis syndrome?
often full L/S motion and hip motion with pain on internal rotation and flexion
what passive ROM will exacerbate pirifromis syndrome pain?
internal rotation
what orthopedic tests will be positive for pirifromis syndrome?
pirifromis test, friebergs
what are the differential diagnoses for piriformis syndrome?
disc, stenosis, facet syndrome, tumor, endometriosis
What is osteitis pubis?
inflammation of pubic symphysis
what population is osteitis pubis prevalent in?
athletes
what is the etiology of osteitis pubis?
acute trauma, genitourinary infection, pelvic surgery, pregnancy, arthritic conditions
what are the S&S of osteitis pubis?
ache or tenderness on palpation, pain with passive abduction or resisted adduction
what are the imaging characteristics of osteitis pubis?
characterized by sclerosis and bony changes of the pubis symphysis seen on x-ray
what is the management of osteitis pubis?
rest and time, modalities including heat and ice may provide symptomatic relief