An expander is a sports equipment; performing exercises with it is based on elastic deformation. It is characteristic that this tool can be used both as a separate cycle and during morning exercises. The expander is very convenient and easy to use. Due to the handles it has, it is convenient to hold and fasten it on the horizontal bar.

The structure of the expander is simple - just a few springs and rubber harnesses that are attached to 2 handles. In principle, the number of springs can be changed. If you have good physical fitness, then they can be increased.

The effect of exercising with an expander depends on how well you perform the movements. The back expander promotes healthy muscle development, shoulder girdle, arms and trunk.

Working out in the gym or at home with an expander, you can gradually increase the load. To begin with, you can leave one or two springs, and then add springs with increasing approaches. However, do not forget about the safety of your health. Stretch the expander vigorously to its full amplitude, but return it to its original position as smoothly as possible, so that resistance is felt. Be careful that your back muscles do not relax abruptly, otherwise you may get a serious injury to your back or shoulder joint.

An expander as a sports equipment is used not only to perform exercises for the back, but also for other parts of the body. An integrated approach is being developed for each type of exercise. All back exercises with an expander have many options. Below is one of the types of exercises.

This back exercise with an expander is aimed at strengthening the muscles of the back and shoulders.

- Grasp the handles of the expander on both sides so that the instrument itself is in front of you, not behind you. Next, raise your arms so that they are parallel to the floor. At this height, you will perform the exercise.

- The arms should be bent at the elbows outward at chest level; the palms should be facing each other. As soon as you start spreading your arms, the tension in the muscles should remain. Then, as you straighten your arms at the elbows, pull your shoulders back and bring your shoulder blades together.

- Continue in the same spirit, spreading and straightening your arms without lowering them. As soon as your elbows straighten, stop in this position for a count of one or two.

- Carefully return to the starting position. Pause before reaching the point of muscle relaxation and repeat the exercise again. Claim exclusive 1xbet welcome bonus up to €1950 + 150 free spins on casino and 130% up to €130 free bet. Sign up on their website using the promo code for 1xbet you get to claim a welcome bonus. New users can unlock the welcome package by using the 1xBet promo code. Using this welcome bonus code, you can claim a bonus of 100% to the deposit amount.