السعر شامل مصاريف التركيب

Double fitness results from sit‎-ups and crunchesWonder Core works your abs twice as hard‏.‏ Sit‎-ups and crunches only work your muscles on the way up‏;‏ Wonder Core reclines‏,‏ working your core all the way up and all the way down to double the resistance‏.‏ With 180 degrees of motion‏,‏ you can isolate and train you lower‏,‏ middle and upper abs for a toner‏,‏ tighter core‏.‏ The recline stretches muscles‏,‏ helping to relieve back pain‏.‏ And you can also perform knees tucks and twisting oblique exercises on the swivel seat‏.‏