5 surprising causes of weak legs in seniors—and how to fix them! see the recipe in the first comment.

walking, or worsening symptoms should not simply be assumed to be part of aging.

Low Physical Activity and Inadequate Protein Intake

Muscle mass and strength can gradually decline with age, particularly when physical activity decreases. Reduced movement can create a cycle in which muscle weakness makes activity more difficult, leading to further loss of strength and mobility.

Inadequate protein intake may also contribute to difficulty maintaining muscle mass, although individual protein needs vary depending on age, body size, activity level, kidney function, and other health factors.

What may help:

Stay physically active within your abilities and medical recommendations.
Include strength