Painful conditions of the shoulder joint of handball players are a frequent cause of the end of a player's career. The shoulder joint is extremely susceptible to damage during early sports specialization. The cause is greater variability of movement together with repeated unilateral stain during the throw. The aim of the study is to monitor the functional changes of the shoulder girdle of handball player in particular age groups. The examination was performed by a comprehensive kinesiological analysis with an effort for differential diagnostics to find the so-called key area. In addition, selected orthopeadic tests for the shoulder girdle area were used, followed by testing in closed kinematic chains. In a group of handball players aged 12 to 15 years, defective posture was found with a typical throwing posture with hypermobility. In the group of players aged 16 to 19, the functional changes of the throwing position were highlighted. Handball players over the age of 20 showed a significant reduction in the internal rotation of the cast upper limb associated with an increase in the external rotation of the same limb.

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