Inger Mechlenburg

Joint kinematics and kinetics during walking and running in 32 patients with hip dysplasia 1 year after periacetabular osteotomy

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Joint kinematics and kinetics during walking and running in 32 patients with hip dysplasia 1 year after periacetabular osteotomy. / Jacobsen, Julie S; Nielsen, Dennis B; Sørensen, Henrik; Søballe, Kjeld; Mechlenburg, Inger.

I: Acta Orthopaedica, 05.09.2014, s. 1-8.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{ca4a5071e94e4a048e44787dce809f94,
title = "Joint kinematics and kinetics during walking and running in 32 patients with hip dysplasia 1 year after periacetabular osteotomy",
abstract = "Background and purpose - Hip dysplasia can be treated with periacetabular osteotomy (PAO). We compared joint angles and joint moments during walking and running in young adults with hip dysplasia prior to and 6 and 12 months after PAO with those in healthy controls. Patients and methods - Joint kinematics and kinetics were recorded using a 3-D motion capture system. The pre- and postoperative gait characteristics quantified as the peak hip extension angle and the peak joint moment of hip flexion were compared in 23 patients with hip dysplasia (18-53 years old). Similarly, the gait patterns of the patients were compared with those of 32 controls (18-54 years old). Results - During walking, the peak hip extension angle and the peak hip flexion moment were significantly smaller at baseline in the patients than in the healthy controls. The peak hip flexion moment increased 6 and 12 months after PAO relative to baseline during walking, and 6 months after PAO relative to baseline during running. For running, the improvement did not reach statistical significance at 12 months. In addition, the peak hip extension angle during walking increased 12 months after PAO, though not statistically significantly. There were no statistically significant differences in peak hip extension angle and peak hip flexion moment between the patients and the healthy controls after 12 months. Interpretation - Walking and running characteristics improved after PAO in patients with symptomatic hip dysplasia, although gait modifications were still present 12 months postoperatively.",
author = "Jacobsen, {Julie S} and Nielsen, {Dennis B} and Henrik S{\o}rensen and Kjeld S{\o}balle and Inger Mechlenburg",
year = "2014",
month = "9",
day = "5",
doi = "10.3109/17453674.2014.960167",
language = "English",
pages = "1--8",
journal = "Acta Orthopaedica (Print Edition)",
issn = "1745-3674",
publisher = "TAYLOR & FRANCIS LTD",

}

RIS

TY - JOUR

T1 - Joint kinematics and kinetics during walking and running in 32 patients with hip dysplasia 1 year after periacetabular osteotomy

AU - Jacobsen, Julie S

AU - Nielsen, Dennis B

AU - Sørensen, Henrik

AU - Søballe, Kjeld

AU - Mechlenburg, Inger

PY - 2014/9/5

Y1 - 2014/9/5

N2 - Background and purpose - Hip dysplasia can be treated with periacetabular osteotomy (PAO). We compared joint angles and joint moments during walking and running in young adults with hip dysplasia prior to and 6 and 12 months after PAO with those in healthy controls. Patients and methods - Joint kinematics and kinetics were recorded using a 3-D motion capture system. The pre- and postoperative gait characteristics quantified as the peak hip extension angle and the peak joint moment of hip flexion were compared in 23 patients with hip dysplasia (18-53 years old). Similarly, the gait patterns of the patients were compared with those of 32 controls (18-54 years old). Results - During walking, the peak hip extension angle and the peak hip flexion moment were significantly smaller at baseline in the patients than in the healthy controls. The peak hip flexion moment increased 6 and 12 months after PAO relative to baseline during walking, and 6 months after PAO relative to baseline during running. For running, the improvement did not reach statistical significance at 12 months. In addition, the peak hip extension angle during walking increased 12 months after PAO, though not statistically significantly. There were no statistically significant differences in peak hip extension angle and peak hip flexion moment between the patients and the healthy controls after 12 months. Interpretation - Walking and running characteristics improved after PAO in patients with symptomatic hip dysplasia, although gait modifications were still present 12 months postoperatively.

AB - Background and purpose - Hip dysplasia can be treated with periacetabular osteotomy (PAO). We compared joint angles and joint moments during walking and running in young adults with hip dysplasia prior to and 6 and 12 months after PAO with those in healthy controls. Patients and methods - Joint kinematics and kinetics were recorded using a 3-D motion capture system. The pre- and postoperative gait characteristics quantified as the peak hip extension angle and the peak joint moment of hip flexion were compared in 23 patients with hip dysplasia (18-53 years old). Similarly, the gait patterns of the patients were compared with those of 32 controls (18-54 years old). Results - During walking, the peak hip extension angle and the peak hip flexion moment were significantly smaller at baseline in the patients than in the healthy controls. The peak hip flexion moment increased 6 and 12 months after PAO relative to baseline during walking, and 6 months after PAO relative to baseline during running. For running, the improvement did not reach statistical significance at 12 months. In addition, the peak hip extension angle during walking increased 12 months after PAO, though not statistically significantly. There were no statistically significant differences in peak hip extension angle and peak hip flexion moment between the patients and the healthy controls after 12 months. Interpretation - Walking and running characteristics improved after PAO in patients with symptomatic hip dysplasia, although gait modifications were still present 12 months postoperatively.

U2 - 10.3109/17453674.2014.960167

DO - 10.3109/17453674.2014.960167

M3 - Journal article

C2 - 25191933

SP - 1

EP - 8

JO - Acta Orthopaedica (Print Edition)

JF - Acta Orthopaedica (Print Edition)

SN - 1745-3674

ER -