Final answer:
Poor flexibility is often caused by muscle tightness. Flexibility exercises help improve range of motion and mitigate tightness, but age-related declines due to sarcopenia are only partially reversible. option 1
Step-by-step explanation:
Poor flexibility may be caused by muscle tightness. Flexibility exercises such as stretching, yoga, and tai chi aim to improve the range of motion, keep muscles limber, and increase joint flexibility which can help reduce this tightness. However, muscle tightness that leads to poor flexibility can also be due to factors like aging, as with sarcopenia, exercise can help mitigate but not completely reverse age-related declines in muscle performance and flexibility. However, muscle tightness that leads to poor flexibility can also be due to factors.