A, to keep the body straight, make the head and shoulders basicly integrity.
B, if there are heavy things in the bags, it is better to hold the thigns across chests, or carry the two straps bags so that the weight is close to the spine with a balanced force.
C, if it is a portable bag, you’d better balance the weight with left and right hands, walking with levator ani muscle and abdomen.
D, if there is only one heavy bag, use two hands alternately to carry.
E,for the long strap handbag, it is better to carry it making it on the abdomen rather than on both sides.