Answer is Yes.
In general, the personality dimensions Extraversion, Neuroticism, and Conscientiousness are most associated with exercise adherence and behavior, while Openness to experiences and Agreeableness are related to more specific factors of exercise behavior, and tend to be less influential.
Natural unproven therapies
The second point seems intuitive but there is a surprising lack of evidence showing that the increase in muscle size contributes to an increase in voluntary strength. If individuals increased both muscle size and strength, the conclusion is often that muscle growth played a role.
C. Eat a high-protein diet