ZJchao Arm Muscle Trainer - Spring Arm Power Exerciser, Chest Expander & Forearm Strengthener - Portable Fitness Equipment for Home, Gym, Travel & Outdoor Workouts - Perfect for Strength Training, Rehabilitation & Martial Arts Practice

Specification: Condition: 100% Brand New Item Type: Arm Power Exerciser Material: Spring Steel Optional Strength Grade: 80KG, 100KG Color: Black Function: Exercise shoulder, arm and back muscles to make the body healthy and strong. Usage: 1. Stand with your legs apart, bend your right elbow, bend the spring with your left hand, then bend your left elbow and bend the spring with your right hand. 2. Straighten the arms upwards, bend the spring, and then gradually relax, repeating several times. 3. Bend the spring forward with both arms, then gradually relax. 4. The body bends downward, and the arms bend the spring. 5. Stretch your arms backwards, hold the spring tightly and straighten it downward, gradually bending the spring. 6. Keep exercising, and the effect of bodybuilding is remarkable. Package List: 1 x Arm Power Exerciser(80KG Grade) or 1 x Arm Power Exerciser(100KG Grade) Note: 1. Put the wrist into the safety ropes at both ends of the forearm before use, the reaction force of the handle cannot be directly aimed at the human body. 2. Slow movements, take a few minutes of rest after each movement, and then practice. 3. Do not go all out in exercise, you must leave enough force to control the rebound force of the arm. 4. The important thing is not multiple power grade, but how many times can be done.

【TENSION SIZE】This power with 80kg, 100kg 2 size available for you to choose. Exercise shoulder, arm and back muscles to make the body and strong, for building strength in the upper body

【ERGONOMICALLY DESIGNED】 Non-slip rubber handle provides you with a more comfortable grip. Perform curls with your biceps and forearms. Full is provided all the way through unlike dumbells, giving you maximum throughout the exercise

【 FITNESS EXERCISE DEVICE】High quality Premium Materials And Portable for comfort workout at home, Office or Travel. for building upper body strength. Suitable for working on your wrists, forearm, chest, arms, shoulders and muscle toning, also fantastic festival gift idea for your partner or friends

【CHEST WORKOUT】Exercise your chest by bending the arm power exerciser inwards, similar to pectoral flys, providing through your entire motion. The arm power exerciser has a strong , help you build the body figure

【BACK AND SHOULDERS WORKOUT】Put your back and back shoulders by squeezing the towards your middle back. Insist to take exercise, strong and handsome effect will be remarkable. Build up your forearm strength and wrist strength, if insist to use, the effect of bodybuilding is remarkable