How the type of sagittal alignment defined by Roussouly determines the gait of asymptomatic adult subject
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While curvatures of the sagittal spine are known to greatly differ among asymptomatic adult subjects, there are no studies that determine whether this heterogeneous normality affects gait. This study aimed to elucidate the relationships between normal sagittal spine proﬁles and gait in asymptomatic adult subjects. Ninety-one asymptomatic adult subjects (age = 21.6 ±2.2, 47 M & 44F) with no prior orthopedic treatment underwent full body biplanar X rays with 3D reconstruction of the spine and pelvis. The following sagittal spino-pelvic parameters were generated from the 3D reconstructions: pelvic incidence, sacral slope, pelvic tilt, L1L5 lordosis, L1-S1 lordosis, T1-T12 kyphosis and T4-T2 kyphosis. Lower limb kinematics was assessed using 3D gait analysis. Each subject was classiﬁed into one of the 4 types of normal sagittal alignment previously described by Roussouly. Kruskal-Wallis test was used to evaluate the differences in gait and spino-pelvic parameters between the Roussouly types.
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Roussouly's sagittal spino-pelvic morphotypes as determinants of gait in asymptomatic adult subjects. BAKOUNY, Ziad; ASSI, Ayman; MASSAAD, Abir; SAGHBINI, Elie; LAFAGE, Virginie; SKALLI, Wafa; GHANEM, Ismat; KREICHATI, Gaby (ELSEVIER, 2017)Sagittal alignment is known to greatly vary between asymptomatic adult subjects; however, there are no studies on the possible effect of these differences on gait. The aim of this study is to investigate whether asymptomatic ...
OTAYEK, Joeffroy; BIZDIKIAN, Aren Joe; YARED, Fares; SAAD, Eddy; BAKOUNY, Ziad; MASSAAD, Abir; GHANIMEH, Joe; LABAKI, Chris; SKALLI, Wafa; ISMAT, Ghanem; KREICHATI, Gaby; ASSI, Ayman (ELSEVIER, 2020)Introduction: Postural alignment is altered with spine deformities that might occur with age. Alteration of spino-pelvic and postural alignment parameters are known to affect daily life activities such as gait. It is still ...
ASSI, Ayman; BAKOUNY, Ziad; BIZDIKIAN, Aren Joe; OTAYEK, Joeffroy; YARED, Fares; LAFAGE, Virginie; KHALIL, Nour; MASSAAD, Abir; GHANEM, Ismat; SKALLI, Wafa (ELSEVIER, 2018)Patients with adult spinal deformities (ASD) are known to have altered postural alignment aﬀecting their quality of life and activities of daily living, especially gait. The Sagittal Vertical Axis (SVA), a postural parameter ...
How do postural parameters vary during walking in asymptomatic adults? A registration technique of subject-speciﬁc 3D skeletal reconstruction during gait ASSI, Ayman; BAKOUNY, Ziad; YARED, Fares; OTAYEK, Joeffroy; BIZDIKIAN, Aren Joe; GHANEM, Ismat; KREICHATI, Gaby; PILLET, Hélène; BONNET, Xavier; SKALLI, Wafa (ELSEVIER, 2018)Postural skeletal alignment is altered with age due to intervertebral disc and joint degeneration, consequently aﬀecting quality of life (QoL) and activities of daily living, such as gait. Postural alignment parameters of ...
Influence of patient rotational malpositioning on pelvic parameters assessed on lateral radiographs ASSI, Ayman; SAURET, Christophe; BAKOUNY, Ziad; SAGHBINI, Elie; KHALIL, Nour; CHELALA, Lydia; NAOUM, Elias; YARED, Fares; SKALLI, Wafa; GHANEM, Ismat (Elsevier BV, 2017)Aim: To estimate the effect of patients' axial rotation (AR) during pelvic radiograph acquisition, on the reliability and validity of sagittal pelvic parameters. Materials and methods: Lateral digitally reconstructed ...