There was acute point tenderness and the pain was aggravated on physical activity

An army recruit, smoker and 6 months into training started complaining of pain at postero medial aspect of both legs. There was acute point tenderness and the pain was aggravated on physical activity.
A. The most likely diagnosis is Stress fracture
R. Stress fracture in this case is due to abnormal force over normal bone.

1.A and R both correct and R is explanation of A
2.A and R both correct but R is not explanation of A
3.A correct R wrong
4.A wrong R correct

Explanation:

Stress Fracture: The diagnosis here is stress fracture because of

  1. Prolonged activity

  2. Bilateral symptoms

  3. Specific Bony tenderness. It has 2 causes.

• Fatigue Fracture:caused by application of abnormal force on normal bone. (As the case here)
• Insufficiency Fracture :caused by normal force o weak bone.