The flexibility of your body is better.
warmup, strenuous conditioning,and cool down
1) Heredity 2) Physical activity
more than 6 mets
weight bearing physical activity
I will definitely increase the muscle strength if you continue to increase the intensity of the exercise, but it won't happen right away, you need to make sure your muscle rest enough time and regains its strength, if you don't, then the muscle will just lose its strength.