[Arms Side Raise] Training area: deltoid muscles.
Use props: water bottle.
1. Stand in a standing position, keep your feet and knees slightly bent, lift your chest and draw in your abdomen.
2. Hold the water bottle with both hands and slowly extend it from the inside to the outside, lift it to slightly higher than shoulder height, then return to the ready position, perform 15 to 20 times, and perform three sets of cycles.