In General: Proprioception and kinesthetic awareness increases greatly. Strength increases, so skills sets may improve or change. Views of body image may take a negative turn during these stages and may be influenced negatively by societal expectations or comparisons to others.
Girls: On average, puberty begins between ages 7-13, and hormones are released into the bloodstream that signal the production of estrogen. Body grows taller (growth spurt). Natural weight gain in the hip area, the start of breast development, and an increase in body fat. Roughly 2-3 years after puberty begins, girls get their period. Hair also begins to grow under the arms and in the pubic area. Puberty hormones also trigger acne.
Boys: Puberty hormones are released into the bloodstream that signal the production of testosterone and sperm. Body grows taller (growth spurt). Shoulders grow wider, the body becomes more muscular, and the voice changes to become deeper. There will also be changes in penal development. Hair also begins to grow under the arms, the pubic area, and eventually the face. Puberty hormones also trigger acne.