Muscle strength of lower limbs is considered a key factor in handball, basketball, football and volleyball athletes` performance, as support of specific motor skills and actions. One of the methods used to assess muscle strength is isokinetic dynamometry. Objective: This study aims to describe and compare the isokinetic profile of professional athletes in various sports and to analyze the relationship with the practiced sport. Methods: Through an observational, analytical and cross-sectional study were assessed 86 athletes (Handball=14; Basketball=27; Football=25; Volleyball=20) using an isokinetic dynamometer Biodex Medical System® 4. The assessed parameters were Peak Torque and Peak Torque to Body Weight at angular velocities of 60°/s (4 repetitions) and 180°/s (6 reps). Results: The basketball, football and volleyball athletes had higher Peak Torque and Peak Torque to Body Weight values in the dominant member in comparison to the non-dominant. Comparing sports, athletes from basketball and volleyball had higher values of Peak Torque in the Quadriceps of the dominant limb at 180°/s. Football players had Peak Torque and Peak Torque to Body Weight values higher than other sports in both members and angular velocities. Conclusions: The results seem to suggest that, in different sports, some muscle groups are more required than others.
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