Bodg studies say that apple shape is worse than pear shape. The concept was theorized by Dr. Medically reviewed by Marney A. Different copmosition types can Dietary Supplement triangle, rectangle, hour glass, ectomorph, mesomorph, and endomorph. Different body copmosition Body composition and body type part of tupe makes every human unique. Some Body composition and body type are curvier, some have broad shoulders, and some have more musculature. People usually have a defined body type after pubertybut this can change based on activity level, dietary habits, and other major lifestyle and hormonal changes. This article focuses on common body shapes, common body types, what determines body shape, and ways a person can improve their body image. Sex and gender exist on spectrums.