Influência do treinamento resistido sobre as capacidades motoras de adultos e idosos

Abstract

The present study addresses motor capacities in adults and elderly individuals undergoing 12 weeks of resistance training. Objective: To evaluate the impact of a 12-week resistance exercise program on motor capacities in apparently healthy adults and older adults. Method: Uncontrolled intervention study with 21 apparently healthy participants (15 female and 6 male). Muscle strength and endurance variables were assessed using handgrip strength, 30-second chair stand test, estimated one-repetition maximum (1RM), full trunk curl-up test, and arm curl test. The resistance exercise program lasted 12 weeks with a frequency of two weekly sessions. Results: There was a significant decline in the estimated 1RM in the elbow flexion exercise after the training period [Pre: 23.0 (19.0-24.9), Post: 19.0 (14.0-21.6), (p=0.001)]. No statistically significant differences were found in the other variables analyzed: handgrip strength, 30-second chair stand test, full trunk curl-up test, 1RM estimates in other exercises, and arm curl test. Conclusions: A 12-week resistance exercise program-maintained muscle strength and endurance in apparently healthy adults and older adults. However, the decline in elbow flexor strength, specifically in the 1RM arm curl test, suggests that some muscle actions may require greater training volume, duration, or specificity to achieve significant adaptations.