13. <span>Gluteus Maximus: Trapezius because the contraction of one doesn't necessarily lengthen the other.
14. </span><span>Decreased bone mass because strength training adds bone density, keeps the volume, so therefore increases the mass.
15. Not 100% what long/short is, and I'm not 100% sure of the answer. I'm going to say large/small because you already work out the smaller muscles during the working out of the large muscles.
16. The only one that one should stick by 100% is maintaining proper posture, form, and technique. But, this is health, and not bodybuilding. So, maintaining the core tension at all times. You don't need to do that for something that doesn't require the core. </span>
30 a day is what i do and im 14 and i tryna get a 6 pack and rock hard abs so do 30 a day
Answer: try not to give him to bad of advice, so if she rejects him he can’t really blame you and if you give him good advice he’ll think of you as a kind, sweet, helping, and , a wonderful person. OR just tell him you like him:)
Explanation : hope that helps :)