Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

Learn the anatomy of arm muscles and the armpit with an artist-focused approach. This video breaks down muscle groups, forms, and movement in a clear, practical way, helping you draw arms that look ...

When in-person teaching resumed for the Spring 2022 semester, Anthropology Professor Marni LaFleur, PhD, introduced a new tool to enhance her students’ learning experience – bone boxes containing half ...

Fans of the show will recognize Bailey from his recurring role as Joe, the owner of a bar frequented by staff at the hospital where the bulk of the action unfolds. He revealed this week that he has a ...

Muscle injuries are among the most prevalent musculoskeletal conditions in athletes, contributing significantly to morbidity and time lost from competition. The use of ultrasound (US) is advantageous ...

Muscle relaxers help reduce muscle stiffness and pain from conditions like cerebral palsy and lower back pain. There are two main types of muscle relaxers: antispastics and antispasmodics. Muscle ...

Skeletal muscles attach to bones by tendons. They contract and relax to pull bones and allow movement. These are called voluntary muscles because they are controlled at will to create fine movements ...

This is a useful paper regarding the roles of brown adipose tissue and skeletal muscle in thermogenesis in mice, with potential significance for the field. The overall approach is innovative but on ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The human skeleton — our internal framework that includes bones and cartilage — evolved over ...