Network Connection Required to View this Feature. Section 1, Article 1 - By the time that individuals are to years-old, their physical bodies have reached maximum growth. Emerging adults are as tall and strong as they are ever going to be. Some of the key physical changes that take place are muscle growth, strengthening of the bones, and body shape changes. Adult development and aging: Biopsychosocial perspectives 4th ed. Hoboken, NJ: Wiley. Additionally, every body system has reached full maturity and functions at peak performance. Most notably, muscle strength increases, reaction time becomes quicker, sensory abilities are heightened, and cardiac functioning is maximized.
Early and Middle Adulthood
The Physiological Peak
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Physical Development: Age 17–45
During early adulthood stage an individual reaches physical maturity by the age of This is known as maturation. Adults have reached their peak level of physical strength and their full height and weight by this time. As the adult reaches the end of this life stage, stamina and strength start to slowly decline. The early adulthood stage is when women are most likely to become pregnant.
As individuals move through early and middle adulthood, a variety of physical changes take place in the body. As we age, our bodies change in physical ways. One can expect a variety of changes to take place through the early- and middle-adult years. Each person experiences age-related changes based on many factors: biological factors such as molecular and cellular changes are called primary aging , while aging that occurs due to controllable factors, such as lack of physical exercise and poor diet, is called secondary aging. Aging factors : As an individual progresses through adulthood, a variety of factors can affect the aging process.