Adolescent idiopathic scoliosis is the most common type of three-dimensional spinal deformity during adolescence. The scoliotic curvature affects the body alignment, leading to altered whole body postural control and gait.
📌Park et al. studied The coordination between the trunk and pelvis during the whole gait cycle using a vector coding technique.
📌The current study aimed to identify the whole body postural adjustments during quiet standing and level walking in patients with severe single thoracic AIS, in terms of deviations from healthy controls in the three-dimensional kinematic and kinetic changes between the trunk, pelvis and lower limb segments, and at the lumbosacral level at different gait events.
📌AS A RESULT📌
📍Compared to the Control, the AIS group showed similar pelvic rotations but significantly greater contralateral rotation at heel-strike and greater downward list of the trunk at heel-strike and toe-off during ASIV (Table 2, Fig1)
📍Compared to the Control, most significant differences in joint kinematics occurred during AIS-A, showing increased hip internal rotation, hip adduction, knee flexion and ankle internal rotation at heel-strike, and increased hip internal rotation, knee internal rotation and ankle internal rotation at contralateral toe-off (Tables 3 and 4)
📍When compared to the control, the AIS group showed a reduced peak knee extensor moment, peak ankle plantar flexor moment and peak ipsilateral lumbosacral lateral flexor moment, but greater peak lumbar extensor moment during AIS-A (Table 5). Compared to AIS-V, the AIS-A showed greater peak lumbar extensor moment but a reduced peak ipsilateral lumbosacral lateral flexor moment (Table 5)
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Reference: Postural adjustments in adolescent idiopathic thoracic scoliosis during walking