Study background: The Functional Movement Screen (FMS, deep squat [DS], hurdle step, in-line lunge [ILL], shoulder mobility, active straight-leg raise, trunk stability push-up [TSPU], rotary stability) assesses individual movement capabilities. Unilateral jumps, and between-leg asymmetries, are also used for screening. Relationships between an established screening protocol (FMS) and unilateral jump asymmetries have not been investigated. Methods: Fourteen female team sport athletes (age=22.79 ± 4.74 years; height=1.67 ± 0.06 meters; body mass=65.72 ± 5.79 kilograms) were assessed in the FMS, bilateral and unilateral vertical, standing broad, and lateral jumps, and between-leg jump asymmetries. Spearman`s rho correlations (p = 0.05) between the FMS and asymmetries were calculated. Participants were divided in lesser and higher asymmetry groups, in accordance with the jump asymmetry with the strongest relationship to the FMS. A one-way analysis of variance (p = 0.05) was used to assess between-group differences. Effect sizes (ES) were calculated. Results: Unilateral vertical jump asymmetry correlated with the right-leg ILL (rho=-0.536), TSPU (rho=-0.615), and overall score (rho=-0.551). Participants were split into lesser (n=9) and higher (n =5) vertical jump asymmetry groups. The TSPU had a significant between-group difference (lesser=2.44 ± 0.73; higher=1.40 ± 0.89). There were large, non-significant, effects for the DS (lesser=1.78 ± 0.83; higher=1.00 ± 0.00; ES=1.33), and right-leg ILL (lesser=2.44 ± 0.51; higher=2.00 ± 0.00; ES=1.22). Conclusion: Comparison of unilateral vertical jump asymmetries to the FMS provides practitioners with an indication of female athlete characteristics. As shown by TSPU and ILL relationships, and differences between participants with lesser and higher asymmetry, athletes with lesser asymmetries possess a more stable trunk, mobile hip, knee, and ankle joints, and appropriate muscle recruitment.
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