The purpose of this degree paper is to determine the effects of a six-week exercise program with a short-foot exercise and its progressions on the medial longitudinal foot arch (MLFA) between static and dynamic loading in young triathlets.
Sample was represented by 11 young triathlets who were measured and tested before and after the exercise intervention in the kinesiology laboratory at the Faculty of Sport in Ljubljana. Training intervention consisted of a 6-week training program, where subjects performed one of the four progressions of short-foot exercise 3-times a week at home. Exercise was performed with 5 repetitions of 2 second contraction for 3 total sets with 5 minute rest between the sets.
The size of the MLFA at static load was determined using Sit-to-Stand Navicular Drop Test (SSNDT) and during the dynamic load with Dynamic Navicular Drop (DND) method.
Acquired measurment data was entered into Excel and then statistically processed with SPSS program. The mean value of left and right MLFA for each foot was calculated before and after training program. To determine the differences in the size of the MLFA during static and dynamic loading, before and after exercise intervention, we used an analysis of the variance for repeated measurements.
Obtained results of the study indicate that the intervention statistically significantly reduced SSNDTmp4 in absolute (-52,8%, p<0,001) and relative (55,4%, p<0,05) values of the left foot and DND in absolute (-32,6%, p<0,05) and relative (36,1%, p<0,05) values of the same foot. Other test demonstrated trend of decreasing size MLFA but didn't achive statistical significance. From that we can conclude that intervention significantly decreases MLFA during static and to a lesser degree dynamic loading.
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