"5 percent said they avoided situations where they had to expose their bodies, such as wearing a swimsuit.
4 percent reported they are preoccupied about the inadequacy of their body size and have significant distress or impairment as a result."
Those are signs of skewed view and approach to self-image. It may be indicative of an underlying metal issues typically associated with disordered eating.
Simply wanting to get bigger and stronger for athletic preformance and/or aesthetics and self-improvement is not an eating disorder at all. But basing self-worth solely on your body to the exclusion of all else may be.