What is the fat on your upper back called? September 15, 2022December 28, 2023BRA 0 A hump on the upper back between the shoulder blades is an area of fat accumulation on the back of the neck. The medical name of this condition is dorsocervical fat pad.Related Posts:What is the back of a crab called?What is lower back fat called?What is the fat in the lower back called?