Little by little increase your arms down, get a full array of movement, and allow a little stretch at the bottom. Keep a single dumbbell in front of your upper body with the two your arms. Stand with your feet about hip-width aside, knees a bit bent. Brace your abs. https://backexerciseswithdumbbell57566.boyblogguide.com/29942820/not-known-factual-statements-about-hammer-strength-dumbbells