This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
Resolving ahroplasty seen in 
Select and explain. 
A. Shoulder dislocation, B. Elbow dislocation, C. Knee dislocation, D. Hip dislocation
A: Shoulder dislocation
Answer: A: Shoulder dislocation 
Explanation: Features Anterior dislocation Posterior dislocation Central dislocation Epidemiology 10 - 15% Most common 80%Very Rare Mode of injury Deceleration or dashboard injury Dash board injury Direct blow over trochanter Deformity Flexion Abduction External rotation with shoening or lengthening FlexionAdduction Internal rotation with shoening Neutral position without any shoening or lengthening Femoral head Groin region Gluteal region Per rectal region Vascular sign of NarathNegative Positive Negative (Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 125, 126)