Sacrum, SI, Pelvis Flashcards
What is the common pain pattern for sacroiliac joint (SIJ) pain?
Pain is usually over the posterior SI joint and buttock.
- may be unilateral or bilateral
- can refer to lumbar spine, abdomen, groin, thigh, foot, and ankle
- Rarely midline or above L5
What are some causes of pelvic pain that can refer to the groin or thigh?
Musculoskeletal, neuromuscular, gynecological, infectious, vascular, cancer, or gastrointestinal causes.
What are the red flags when screening for sacral or pelvic pathology?
- insidious onset
- lack of objective findings
- no definitive MOI
What is the sacroiliac joint (SIJ) pain pattern in standing vs. sitting?
- Unilateral pain with standing after sitting suggests SIJ
- Central pain is likely discogenic.
Sacral fracture should be considered when…
Clinical presentation = ?
- Pain on palpation
- Antalgic gait
- LLD
What are constitutional symptoms to watch for in systemic pelvic disorders?
- fatigue
- weight loss
- night sweats
- fever
What are red flags for reproductive system-related pelvic pain?
History of reproductive, colon, or breast cancer, endometriosis, or trauma.
What are the most common causes of pelvic pain in descending order?
- MSK
- neuromuscular
- gynecological
- infectious
- vascular
- cancer
How does musculoskeletal pelvic pain typically present?
Pelvic pain of MSK origin may be referred from the hip, sacrum, SI joint, or lumbar spine.
What are key characteristics of pelvic pain from endometriosis?
Pain worsens with hormonal fluctuations, resolves after menstruation, and can refer to the low back and coccyx.
What systemic causes should be screened for in cases of pelvic pain?
Screen for GI, reproductive, and urogenital systems.
What are signs of a stress fracture in the anterior pelvis?
Stress fractures present with localized anterior pelvic pain, especially in endurance athletes.
What is the typical pain pattern for sacroiliac joint dysfunction?
Pain is experienced over the posterior SI joint and buttock, with or without lower extremity pain.
What are common aggravating factors for sacroiliac joint pain?
Worse with sitting, lying, weight-bearing on the affected side, prolonged driving, Valsalva, or trunk flexion.
What pain pattern is suggestive of discogenic pain rather than SIJ pain?
Central pain with Valsalva or trunk flexion suggests discogenic origin.