The researchers also studied fossils of extinct fishes dating back almost 400 million years and saw evidence that some of the oldest jawed fishes had bones with joint cavities for articulated ...

In place of oxygen, the ocean was full of hydrogen sulfide, which the researchers believe may have caused the organism to ...

Each has an intricate structure of bones, nerves, and muscles. Just like other parts of the body ... Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person may be ...

The triceps, or triceps brachii, is the large muscle found at the back of the upper arm. Along with the other muscles of the arms and legs, the triceps muscle is a voluntary muscle, meaning it's a ...

Researchers are working on artificial muscles that can keep up with the real thing. They have now developed a method of producing the soft and elastic, yet powerful structures using 3D printing.

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 ...

As springtime approaches and gays begin to dig out their favorite pairs of 3-inch inseams, it’s important to remember one thing: muscles are not created equally! A highly followed poster on ...

You’re doing the work, you’re feeling the burn, but how long does it actually take to build muscle? Building muscle isn’t just a matter of showing up and working out however and whenever you ...

Increasing your protein intake and incorporating strength training into your routine can help you lose body fat and increase muscle mass. Body composition refers to the amount of fat and fat-free ...

If you have neck or back pain, or you’re dealing with some other condition that causes muscle spasms, your doctor might prescribe a muscle relaxer (or muscle relaxant) for you. Having a muscle ...