| Sumario: | Introduction: Sex and gender are often used interchangeably in sports medicine research, despite their distinct meanings 1. Women experience a disproportionately higher risk of non-contact ACL injuries compared to men 2. Gender-specific sociocultural factors (GSSFs) may influence movement patterns and injury risk. Objectives: 1. To examine the association between GSSFs and 3D hip and knee kinematics during high- and low-impact tasks (HITs and LITs). 2. To explore the correlation between 3D hip and knee kinematics during LITs and HITs. Study Design: Cross-sectional correlational design Methods: Participants: 18 cis-gender, healthy, active women aged 18-30 years Assessments: *. Three trials of HITs (drop vertical jump, single-leg drop vertical jump on dominant and non-dominant sides) *. Three trials of LITs (stand-to-sit, single-leg stand-to-sit on dominant and non-dominant sides) Outcome measures: *. 3D hip and knee kinematics measured using motion capture *. GSSFs assessed using Trait Self-Objectification Scale (TSOS) and Gender Role Socialization Scale (GRSS) Statistical analysis: Spearman and Pearson correlations Results: TSOS correlations: Moderate positive correlation with non-dominant frontal plane hip kinematics during single-leg stand-to-sit on the non-dominant side (ρ = 0.48, p = .043) Moderate negative correlations with: *. Dominant hip frontal plane kinematics during drop vertical jump (ρ = -0.52, p = .027*) *. Non-dominant knee transverse plane kinematics during stand-to-sit transition (ρ = -0.52, p = .024*) No significant correlations found with GRSS. Strong positive correlations (r = 0.77-0.86, p < .05) between dominant-side hip/knee kinematics in frontal/transverse planes during bilateral and single-leg HITs and LITs. Conclusions *. LITs may be valuable tools for early ACL injury identification in female athletes. * Higher self-objectification may be associated with altered hip and knee movement patterns, potentially influencing injury risk. *. Further research is needed to explore the implications of these findings and the broader role of GSSFs in shaping movement patterns.
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