MUSCLES ENGAGED Abdominals The abdominal muscles (abs) provide movement and support to your core area. The deeper and closer to the spine the particular abdominal muscle is, the more effect over body posture it will have, and this often contributes significantly to a healthy back. Equipment Used Cable Machine The cable machine is a piece of equipment used in weight training or functional training. A wide variety of exercises can be performed using the apparatus. Aerobic Steps The aerobic step is an elevated platform used during exercise. The height of the step can be tailored to individual needs by inserting risers under the step. The aerobic step is most commonly used for various bodyweight, plyometric and dumbbell exercises. Exercise Instructions Step 1 Start on your back on top of the aerobic steps with your feet raised up at 90 degrees while holding the cable pulley with both hands above your chest. Step 2 Slowly open up and extend both arms and legs out to a full horizontal position. Step 3 Raise both arms and legs back up to the starting making sure your core is engaged and your lower back stays pressed firmly against the aerobic steps throughout the entire range of motion.