Unit of analysis is a difficult concept to explain. There are so many confusing explanations to the concept. The concept became clearer to me when I started thinking of unit of analysis as a separate entity from what I was studying at the beginning of my study.
Balancing helps strengthen your ankles and feet as well as your core, Schneider says. TOE TUG: Loop one end of an exercise band around a sturdy table leg or bedpost. Sit with your legs straight in front of you, and loop the other end around the top part of one foot.
Treading water is tiring at first, which is why it will help to increase the endurance of the leg muscles it uses. There are a few ways to increase leg stamina: Do leg sets: Tread with your hands, then elbows, then entire arms out of the water for specific intervals (probably around 10-20 seconds initially).