Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...

The gluteus medius muscle helps connect your thighbone and your pelvis on the outside of your hips. This is an important joint for walking, sitting, and standing, and a tear can make it difficult or ...

The real process of rebuilding and improving occurs during the recovery phase after running. If you frequently feel fatigued, sore, or unable to progress in your training, it may indicate that your ...