College football referee Mike Defee became internet famous during the National Championship Game in January because of his gigantic arms. He’s got pretty damn good reflexes too. Defee is working ...

Medically reviewed by Brigid Dwyer, MD Key Takeaways Clonus causes involuntary, rhythmic muscle contractions when a muscle is stretched.It is often observed in conditions like multiple sclerosis, ...

When it comes to bodily attractiveness, certain muscle groups are considered more desirable than others. In an Evolutionary Psychology study, for instance, more than 500 heterosexual women rated the ...

The biceps are one of the muscles that run between the shoulder and elbow. A variety of factors can cause lower bicep pain, such as biceps tendonosis, a torn tendon, and delayed onset muscle soreness ...