Strength training, which emphasizes lengthening a muscle in an exercise, can increase the size and strength of a muscle while also reducing its stiffness, as shown in a study published in the journal Cell. Medicine and Science in Sports and Exercise (MSSE).
A basic strength-training exercise is the deadlift. Its main purpose is to lift a barbell off the ground using the muscles in your legs and back. In the new study, scientists tested the eccentric deadlift, which requires a person to lower the barbell slowly to the ground.
36 volunteers participated in the experiment. Some did not exercise at all, while others were asked to do eccentric deadlifts two or three times a week. During the workout, the volunteers had to lower the barbell with straight legs.
By the end of the study, the volunteers’ strength and muscle size had increased significantly. Passive stiffness of the semimembranosus muscle had also decreased.
“Our results challenge the traditional belief that passive muscle stiffness can be reduced by stretching alone,” the scientists said.
Resisted strength training (dumbbells, fitness bands, exercise machines) is used to increase muscle strength and volume in sports and in rehabilitation after injuries and surgeries. However, resistance training can increase passive muscle stiffness. Research has linked this to an increased risk of injury and poorer athletic performance.
Earlier scientists dispelled the myth On women’s education.
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Source: Gazeta
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