The objective is to identify deformities exclusively affecting the lower body extremities. Let's evaluate the provided options:
Upon reviewing the options, Flat-foot, Knock-Knee, Bow-legs is the correct selection, as all these conditions are indeed associated with the lower body extremities, specifically impacting the feet, knees, and legs, respectively.
| List-I (Corrective Measure) | List-II (Postural Deformities) |
| (A) Walking on inner edge of feet | (I) Knock-knee |
| (B) Horse-riding | (II) Scoliosis |
| (C) Wall Stretch, Pull ups | (III) Round shoulder |
| (D) Trikonasana | (IV) Bow-legs |