Anatomy Explained

Research on the design and work of the multifidus muscle reveals it is the strongest back muscle.

The vertebra is a singular bone of the spine. Back pain diagnosis often includes the name of the part of the vertebra that is involved in causing the pain. Learn about the parts of a vertebra.

The abdominal muscles have gotten a lot of press in the last few years, due in part to the increasing popularity of core stabilization exercises. What are the ab muscles, what do they do and where are they located? This Anatomy Explained will explain the 6 abdominal muscles fromthe transverse abdominus, to the obliques to the rectus abdominus.

The purpose of the skeleton is to protect organs, provide support and balance and to provide a place for muscles to attach, thereby powering the body in movement. Fitting for Halloween, get the skeleton out of the closet and let's examine the bones!

The Lumbosacral Joint or L5-S1 is where the lumbar spine meets the sacrum, and is the site of an injury called spondylolthesis.

The lumbar spine is the site of many back injuries. Some basic understanding about the structure and function of the lower back may help to interpret a doctor's diagnosis of low back pain.

Anatomy of a vertebra and intervertebral disks are described to show how the spinal bones support weight, absorb shock and require special care to remain nourished and healthy.

Nerve pain can be the result of a back or neck injury.

Although considered part of the spine, the sacrum is a unique bone, one that is directly related to balance.

Once literally a tail, the small and unassuming coccyx bone is more powerful than you may think!

About's A.D.A.M. Healthcare Center shows an illustration of the sacrum and coccyx bones.

Spinal curves (lordosis and kyphosis) are significant.

Spinal disks or intervertebral disks are found throughout the spine. Learn about cervical disc, thoracic disc and l4 l5 disc.

Dermatome - Learn about dermatomes and dermatome distribution.

Lateral recess definition.

Facet joint pain is very common. The facet joints may be the cause of your back pain. Learn about facet joint pain and the facet joints.