Surfboard,Double-unit
Spec: 1610x840x2000(mm)
Function introduction: strengthening cadiac and pneumonic function and coordination; improving blood circulation and digestiv system performance; good for healing the strain of lumbar muscles, functional hindrances of lower limbs, muscular atrophy,ect..
Instruction: to hold the handls on both sides with your hands,then put your feet on the pedal and swing from side to side slowly...
Notice: No person or any obstruction should be within a radius of one meter when it is in use and protection from adult is necessary when children are using it.
According standards: EN957