Influence of self-perceived disability on squatting kinematics in individuals with patellofemoral pain

Individuals with patellofemoral pain have a heterogeneous presentation of symptoms during functional tasks; however, biomechanical data often negates self-reported disability. The single leg squat is common in patellofemoral pain literature but may not be a pain provoking task for all individuals. T...

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Bibliographic Details
Published in:Clinical biomechanics (Bristol) 2023-10, Vol.109, p.106089-106089, Article 106089
Main Authors: Antunez, Joaquin, Malone, Zachary C., Glaviano, Neal R.
Format: Article
Language:English
Subjects:
Anterior knee pain
Biomechanics
Motion analysis
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Summary:Individuals with patellofemoral pain have a heterogeneous presentation of symptoms during functional tasks; however, biomechanical data often negates self-reported disability. The single leg squat is common in patellofemoral pain literature but may not be a pain provoking task for all individuals. Therefore, our study examined the influence of self-perceived squatting disability in individuals with patellofemoral pain on lower extremity squatting kinematics. We analyzed two-dimensional hip frontal plane projection angle, knee frontal plane projection angle, lateral trunk movement, and pelvic drop in 100 participants, 82 with patellofemoral pain and 18 pain-free controls. Participants with patellofemoral pain were dichotomized based on the level of disability reported during squatting on the anterior knee pain scale. An analysis of variance with post hoc testing was used to compare differences in lower extremity and trunk kinematics between groups, p 
ISSN:0268-0033
1879-1271
DOI:10.1016/j.clinbiomech.2023.106089