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- W2884651990 abstract "The uninjured limb is commonly used as a pre-injury model because of theassumption that the limbs are symmetrical. Unfortunately, this may not be true in all athletes. One-legged athletes (1LA) (e.g., jumpers/kickers) may develop bilateral asymmetries as a result of specific training. The purpose of this study was to determine whether asymmetries in flexibility, strength, and muscular enduranceexisted in the preferred and nonpreferred legs of 1LA athletes. Five characteristicswere measured in three groups of subjects: nonathletes (NAS) (n=8), age 21.0 +1.2 y, height 170.1 + 6.9 cm, weight 68.5 + 13.1 kg); two-legged athletes (2LA)(n=8), age 20.8 + 1.3 y, height 169.9 + 8.6 cm, weight 66.3 + 10.0 kg), and onelegged athletes (n=8, age 20.3 + 1.4 y, height 179.7 + 11.0, weight 72.9 + 13.9 kg). Quadricep and hamstring flexibility were measured using an inclinometer during apassive prone knee-flexion test and a supine passive straight-leg raise, respectively.Quadricep and hamstring strength at 60°/sec and muscle endurance at 180°/secwere measured isokinetically. Leg preference was determined using three tasks:kicking a soccer ball, stepping on an object, and smoothing out sand. Twelve 2x3ANOVAs were used to determine if differences existed in the legs (preferred,nonpreferred) by group (NAS, 1LA, 2LA) for flexibility, strength, and muscleendurance. Tukey’s HSD post hoc test was performed to locate any significantdifferences. Results revealed no significant interactions in leg preference by group(NAS, 2LA, 1LA) for flexibility, strength, or muscle endurance. However, maineffects among groups were revealed when the means of both legs were combined.Tukey’s post hoc test revealed that 1LAs were significantly stronger isokinetically(quadricep and hamstring) and jumped significantly farther compared to the NASsand 2LAs. Observed differences among groups could be a result of training leveldifferences (i.e., varsity vs. recreational) affecting exercise volumes and intensities.The lack of significant asymmetries between preferred and nonpreferred legssuggests that an inadequacy in training elicited asymmetrical adaptations. Inconclusion, asymmetries in the preferred and nonpreferred legs do not exist; hence,leg preference could not be associated with asymmetries in flexibility, strength, ormuscle endurance." @default.
- W2884651990 created "2018-08-03" @default.
- W2884651990 creator A5087432222 @default.
- W2884651990 date "2012-04-01" @default.
- W2884651990 modified "2023-09-27" @default.
- W2884651990 title "Bilateral asymmetries in flexibility, strength, and muscle endurance associated with preferred and nonpreferred leg." @default.
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