He used his etiquette in a good way because he knew that they new boy did not understand how the rules and procedures worked.
<span>An example of concentric contraction is doing a biceps curl. The curl exercise is targeting the biceps muscles on the front of the upper arm and only several muscles assist during the movement. Moreover, concentric muscle contraction is a type of muscle activation that increases the tension on a muscle as it shortens and this activation begins the process of muscle strengthening and hypertrophy. </span>
Answer:
The skills you would require to become an advanced martial artiest would be,
you would need to have peace and know how to keep your temper in check.
you would need discipline and high confidence along with a good amount of focus lots of clear goals and the most important one you need respect for not only you but also for others.
you need self in forced skills.
