In anatomy , the dorsum is the upper side of animals that typically run , fly , or swim in a horizontal position , and the back side of animals -LRB- like humans -RRB- that walk upright .

In anatomy , the dorsum is the upper side of animals that can run , fly , or swim in a forwards and backwards direction , and the back side of animals -LRB- like humans -RRB- that walk upright .
