Final answer:
Pain and tenderness in the front of the shoulder is a clinical manifestation that makes you suspect an anterior shoulder dislocation over a posterior shoulder dislocation.
Step-by-step explanation:
The clinical manifestation that makes you suspect an anterior shoulder dislocation over a posterior shoulder dislocation is and tenderness in the front of the shoulder. Anterior shoulder dislocation occurs when the humeral head is forced out of its socket towards the front of the shoulder. This can cause pain and tenderness in the front of the shoulder.