Final answer:
The statement that best reflects an older adult's understanding of decreased physical strength and stamina is acknowledging that aging naturally reduces one's ability to do as much, which is a normal part of life.
Step-by-step explanation:
The statement made by an older adult that best reflects an understanding of the decrease in physical strength and stamina in this developmental stage is “You get older you can't do as much, that's life.” This statement acknowledges the natural decline in physical abilities without attributing it to a specific task or the need for assistance, which is a normal part of the aging process. This understanding is crucial as people age since being aware of and accepting these changes can help individuals adjust their lifestyle and maintain as much independence as possible. Regular exercise, proper nutrition, and keeping an active lifestyle can help minimize the physical declines that are associated with middle and late adulthood. However, it is also important to recognize and accept when help is needed to avoid potential risks such as injury or health complications.