The fuller answer
During a growth spurt, hands and feet may grow before arms, legs, shoulders, hips, and the trunk catch up. This can make clothes fit strangely and movement feel unfamiliar for a while.
Proportions also differ permanently because of genes. Long legs, a short torso, broad or narrow shoulders, different hip shapes, and asymmetry can all be healthy variations.
A clinician looks at the whole growth pattern, family traits, puberty stage, strength, pain, and function. A single mirror view or social-media body ratio is not a medical assessment.