Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

D A L L A S, March 14 -- If stress or injury has your muscles in a bind, a shot of poison may relieve the stiffness. Botox, or botulinum toxin, the poison produced from the bacteria that causes food ...

You don't need the gym to build a strong chest. Try implementing these five no-equipment chest workouts for great results. The post Unlock serious chest gains with these 5 no-equipment bodyweight ...

Many people with multiple sclerosis have stiff muscles and spasms, a condition called spasticity. It happens mostly in the muscles of the legs and arms, and it may keep you from moving your limbs ...

DEAR DR. GOTT: Some time ago, I happened to pick up a copy of my local newspaper. As it turned out, it was most fortuitous, since there was a letter to you from a reader talking about "violent shakes ...

Upper body pain can range from a muscle strain to life-threatening emergencies like heart attacks or strokes. Learn how to ...

Upper body pain can range from minor strains to critical emergencies. While muscle aches often improve with rest and home care, sudden, severe chest pain, especially with shortness of breath or ...

Spinal muscular atrophy (SMA) is a group of diseases that impact motor neurons, a special type of cell in your spinal cord and brain. These neurons control movement in your arms, legs, chest, face, ...