List-I | (Postural Deformities) | List-II | (Corrective Measures) |
A | Knock Knees | (I) | Walking on inner edge of feet |
B | Round Shoulders | (II) | Horse Riding |
C | Kyphosis | (III) | Wall stretch, Pull Ups |
D | Bow Legs | (IV) | Swimming, Gym ball exercises |
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)