Buccinator: While primarily a muscle of mastication (chewing), the buccinator also contributes to facial expression. It ...

Meaghan is an editor and writer who also has experience practicing holistic medicine as an acupuncturist and herbalist. She's passionate about helping individuals live full, healthy and happy lives at ...

Muscle atrophy or wasting is a loss of muscle mass caused by weakening and shrinking muscles. Several possible causes of muscle atrophy exist, including certain medical conditions, such as amyotrophic ...

Muscle stem cells are adult stem cells, present in skeletal muscle tissue, which can self-renew and are capable of giving rise to skeletal muscle cells. These stem cells are activated in response to ...

Chelsea Rae Bourgeois is a health writer and registered dietitian nutritionist with over eight years of experience in the clinical setting. Her writing covers nutrition and overall health topics, ...

The psoas muscle is deep in the body, connecting the spine to the pelvis, and it can cause pain when tight or weak. Stretching and strengthening exercises, like leg raises and lunges, can help reduce ...

The iliopsoas muscle is the major flexor of the hip joint, made up of the iliacus and psoas major muscles. Pain in the iliopsoas muscle can be caused by sitting too long, muscle imbalance, overuse, or ...

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