Impact of posture and axial loading on lumbar intervertebral disc dimensions investigated by transabdominal ultrasound.

Purpose: To use transabdominal ultrasound (US) to investigate the impact of posture and axial loading on the lumbar intervertebral disc (IVD) dimensions in healthy adults.

Method: For this single-center, prospective cross-sectional study 54 healthy volunteers (mean age 23.76 ± 3, 26 men) underwent transabdominal US.