Fill in the blank with correct word/s. The hallux (great toe) is flexed by the \rule{1in}{.2mm},...

Intervertebral discs are pads of fibrocartilage located between the 33 vertebrae in humans and serve a set of functions, including protecting the vertebrae and nerves in the spine. Learn more about the functions of intervertebral discs and explore how they are affected by injuries such as herniated discs and degenerative diseases like arthritis.

What is a bursa? Learn the bursa definition and bursa function. This includes bursa anatomy, bursa locations in the body, bursae types, and bursitis definition.

In this lesson, learn what is periosteum. Learn about periosteum functions and its importance in human bone growth. See where can you find the periosteum.

Explore the upper leg muscles & learn their names, including the major leg muscles of the thigh. Understand how the leg muscle groups work together to help you move.

Discover the primary function of a wave summation. Learn about muscle twitches, examine the varying stages, and understand how a twitch contraction is measured.

Explore antagonistic muscles. Learn the definition of an antagonist muscle and understand how it differs from an agonist muscle. See examples of antagonist muscles.

Learn about forearm muscle anatomy including arm, wrist, and hand muscles. Learn about the different functions of the muscles and how they contribute to movement.

Learn all about the somatic nervous system. Understand what the somatic nervous system is, learn the functions of the somatic nervous system, and see examples.

Learn the origin and insertion definitions in anatomy. Understand muscle action with examples and compare the muscles that are agonists and antagonists.

What does anterior mean in anatomy and what does posterior mean in anatomy? Learn the anterior and posterior definitions in anatomy and their differences.

Learn about the four abdominal quadrants and organs in these quadrants, including the location of the appendix, gallbladder, spleen, pancreas, and liver.

Learn what a synovial joint is and see the structure, characteristics and types of synovial joints. Also see examples and learn about synovial joint movements.

Get the lowdown on basic massage strokes and techniques, including petrissage and effleurage massage. Read about choosing the right massage movements and techniques.