[header] How to flex [title] Make a fist. [step] Keep your shoulders down and relaxed, but allow your shoulder blades to spread to keep your back wide. Form a fist with the arm you want to flex.
[header] How to flex [title] Make a fist. [step] Keep your shoulders down and relaxed, but allow your shoulder blades to spread to keep your back wide. Form a fist with the arm you want to flex.
Take two thumbscrews on each hand, one for each hand. The hand you use to flex should be able to only hold holding your wrist up, flat and straight. Start in the center of the circle and bring your right fist together to form a fist. Continue to roll your fist inward, bringing your arm down to form a fist with your fist. [title] Curl your fist, then bend your palm. [step] This movement is called mussing-up. The simple action of forming a fist already begins to tighten your muscles. It's impossible to fully flex your arms if you don't make a fist first.