ArticleJournal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology2018
The effect of surgical approach on gait mechanics after total hip arthroplasty.
Article in Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.
- In vivo biomechanics after total hip arthroplasty: a state-of-the-art systematic review.EFORT open reviews · 2026Pooled it
- Effect of a Milk Protein Concentrate Supplement on Muscle Recovery and Oxidative Stress Following Knee and Hip Arthroplasty: A Randomized Control Trial.Antioxidants (Basel, Switzerland) · 2026Article
- Article
- Direct superior approach versus posterolateral approach in total hip arthroplasty: a randomized controlled trial on early outcomes on gait, risk of fall, clinical and self-reported measurements.Acta orthopaedica · 2021Article
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundFew studies have compared the biomechanical outcomes of different surgical approaches for hip arthroplasty. The purpose of this study was to compare hip, pelvic, and trunk kinematics and kinetics between individuals who underwent a posterior or anterolateral approach.
methodsForty-five individuals between 40 and 80 years old underwent motion analysis during overground gait prior to hip arthroplasty and 3 months after surgery. Walking speed, hip flexion angle, hip extension angle, adduction angle and moment, trunk angle, trunk lean, and pelvis drop were compared between approaches.
findingsThere were 30 subjects in the posterior group and 15 subjects in the anterolateral group. The groups did not change differently over time as there were no significant interaction effects. However, there were main effects for time; walking speed increased 19.9% (p < .001), hip flexion angle increased 3.3 degrees (p = 0.014) and peak hip extension increased 4.5 degrees (p = .001), and peak hip adduction significantly increased 1.9 degrees (p = .004) for the sample as a whole. Trunk angle (p = .283) and trunk lean (p = .401) did not significantly change between time points, but there was a significant increase in pelvic drop (p = .003).
interpretationSurgical approach did not affect biomechanical outcomes 3 months after arthroplasty. Both groups showed improvement in sagittal plane hip kinetics and kinematics. However, increased pelvic drop may be indicative of residual hip weakness in both groups.
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