This study compared spinopelvic parameters in asymptomatic scoliosis and asymptomatic patients with radiographic evidence of femoroacetabular impingement.

Nabi, Vugar, Halil Demirkiran, Bulent Atilla, Mazhar Tokgozoglu, and Omur Caglar. "The prevalence of radiographic femoroacetabular impingement morphology in adolescent spine patients." Medicine Science | International Medical Journal 10, no. 2 (2021), 524. doi:10.5455/medscience.2021.04.108

KEY POINTS: FAI MORPHOLOGY & ADOLESCENT SPINES

• There is a significant association between between spinal deformity and the presence of femoroacetabular impingement morphology. 

There was no relationship between femoroacetabular impingement morphology and spinopelvic parameters.

• Abnormal morphology or biomechanics in the pelvis or spine inherently affect each other by way of the lumbosacral junction.
• Changes in spinal alignment alter hip biomechanics and may also predispose an...

This narrative review explains the mechanism by which abnormal hip pathologies contribute to low back pain in patients without hip osteoarthritis.

Anthony N Khoury, Munif Hatem, Joshua Bowler, Hal David Martin, Hip–spine syndrome: rationale for ischiofemoral impingement, femoroacetabular impingement and abnormal femoral torsion leading to low back pain, Journal of Hip Preservation Surgery, hnaa054.

KEY POINTS: HIP-SPINE SYNDROME

• Hip abnormalities limiting hip flexion and/or extension require compensation from the pelvis and lumbar spine for the lack of sagittal movement at the hip.
• Between 13.1% and 37.5% of the total hip flexion is provided by the pelvis through sagittal movement at the lumbopelvic area.
• Abnormalities at the hip joint contributing to low back pain include flexion deformities, osteoarthritis, developmental dysplasia, and limited hip range of movement.
• The bony overgrowth of a cam impingement produces shear forces resulting in...