Read more: Health Symptoms That Are Serious Red Flags A strain in your intercostal muscles will be painful if you twist or ...

The main symptom of muscle strain is pain. The pain might be most severe right after an injury but can continue for a short period. You also might experience symptoms like: Difficulty moving your ...

The key is to look at your medical history, other symptoms and the severity ... under the ribs is caused by a strained or ...