Muscle atrophy is the loss of muscle mass. Low physical activity, nutritional deficiencies, genetic factors, and some medical conditions may contribute. Muscle atrophy due to inactivity can occur if a ...

Muscular hypertrophy refers to an increase in muscle mass. This usually manifests as an increase in muscle size and strength. Typically, muscle hypertrophy occurs as a result of strength training such ...

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

Your paraspinal muscles are crucial to how your spine works. You can stretch regularly and strengthen these muscles to keep them working efficiently and avoid back pain. The paraspinal muscles, ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.