Hip Abductor Strengths After Total Hip Arthroplasty Via the Lateral and Posterolateral Approaches

Abstract A retrospective control study was carried out to compare the postoperative hip abductor strengths after primary total hip arthroplasties via the lateral (lateral group; 38 hips) and posterolateral (posterior group; 40 hips) approaches. At a minimum of 2 years after total hip arthroplasty, a...

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Veröffentlicht in:The Journal of arthroplasty 2010, Vol.25 (1), p.76-80
Hauptverfasser: Kiyama, Takahiko, MD, Naito, Masatoshi, MD, Shinoda, Tuyoshi, MD, Maeyama, Akira, MD
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container_end_page 80
container_issue 1
container_start_page 76
container_title The Journal of arthroplasty
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creator Kiyama, Takahiko, MD
Naito, Masatoshi, MD
Shinoda, Tuyoshi, MD
Maeyama, Akira, MD
description Abstract A retrospective control study was carried out to compare the postoperative hip abductor strengths after primary total hip arthroplasties via the lateral (lateral group; 38 hips) and posterolateral (posterior group; 40 hips) approaches. At a minimum of 2 years after total hip arthroplasty, abductor muscle strength was evaluated qualitatively by the Trendelenburg test and quantitatively using a dynamometer. The ratio of normalized strength of the reconstructed side to that of the nonoperated side was calculated (strength ratio). The Trendelenburg test was positive in 10 of 38 patients in the lateral group and in 11 of 40 patients in the posterior group. The average strength ratios of the lateral and posterior groups were 86.1% and 87.3%, respectively ( P = .67). Strength ratio was positively correlated to femoral offset within both groups.
doi_str_mv 10.1016/j.arth.2008.11.001
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source MEDLINE; Elsevier ScienceDirect Journals
subjects abductor muscle
Adult
Aged
Arthroplasty, Replacement, Hip
Female
Hip - diagnostic imaging
Humans
Isometric Contraction
Male
Middle Aged
Muscle Strength
Muscle, Skeletal - physiopathology
Muscle, Skeletal - surgery
Orthopedics
Radiography
Recovery of Function
surgical approach
total hip arthroplasty
Trendelenburg test
title Hip Abductor Strengths After Total Hip Arthroplasty Via the Lateral and Posterolateral Approaches
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