Effects of Lumbar Resistance and Stabilization Complex Exercises on Extremity Muscle Strength and Endurance of Normal Adults

[Purpose] The purpose of this study was to examine the effects of lumbar resistance and stabilization complex exercises on upper/lower extremity muscle strength and endurance of the general adult population. [Subjects] Fourteen male adults in their 20s participated. Seven persons each were randomly assigned to a resistance exercise group (REG) or a resistance and stabilization exercise group (RSEG). Exercise programs were implemented three times a week for 50 minutes for eight weeks. [Methods] The Biodex System 3 Pro was used to measure the upper/lower extremity muscle strength and endurance of the REG and RSEG prior to the intervention and at four and eight weeks following the commencement of the intervention. The results were then compared and analyzed. [Results] With regards to changes in upper/lower extremity muscle strength and endurance, both groups showed significant increases during the experimental period. The two groups also exhibited differences in muscle strength during upper/lower extremity flexion and differences in muscle endurance during upper extremity extension and lower extremity flexion. [Conclusion] Lumbar resistance and stabilization complex exercises positively affected both upper and lower extremity muscle strength and endurance. In particular, the RSEG showed larger effects than the REG. Therefore, the resistance and stabilization complex training exercises appear to be more effective for rehabilitation of the upper/lower extremities.