What Are Back Spasms? Back spasms are sudden, involuntary contractions of muscles in the back. They may feel like tightness, cramping, twitching, or a sharp gripping sensation that makes movement difficult. A spasm can last only a few seconds or continue intermittently for minutes or...

What Are Back Spasms? Back spasms are sudden, involuntary contractions of muscles in the back. They may feel like tightness, cramping, twitching, or a sharp gripping sensation that makes movement difficult. A spasm can last only...

What Are Back Spasms? Back spasms are sudden, involuntary contractions of muscles in the back. They may feel like tightness, cramping, twitching, or a sharp gripping sensation that makes movement difficult. A spasm can last only a few seconds or continue intermittently for minutes or longer, depending on what triggered the muscle reaction. Spasms can occur in the upper, middle, or lower back, although the lower back is a common location. Sometimes the affected muscle feels hard or knotted when touched. Movement such as bending, twisting, standing from a chair, or rolling over in bed may temporarily make the contraction feel stronger. A back spasm is usually a symptom rather than a...

What Does Shoulder Twitching Mean? Shoulder twitching usually refers to...

What Is Rhomboid Major Pain? Rhomboid major pain usually refers...

What Helps Sore Muscles After a Workout? Sore muscles after...

What Is a Kneeling Squat? A kneeling squat is a...