Inside a Muscle fibre
Major Muscles on the Front of the Body
Posterior Skeletal Muscles Repinned by SOS Inc. Resources @sostherapy.
Anatomy - Human Arm Muscles by Canadian-Rainwater on deviantART via PinCG.com
ANATOMY: Facial Muscles. Tension first builds on the face, learn to loosen up! The muscles of the face are unique among groups of muscles in the body. While most muscles connect to and move only bones, facial muscles mostly connect bones to skin.
As an athlete (Yes! YOU are an athlete!) it is wise to know how your body works and what does what. And I totally get in to this stuff :)
anatomy of hip and buttocks | Muscles of Buttock, Hip and Pelvis Laminated Anatomy Chart
Muscle Anatomy -- Some really nice terminology definitions as well as anatomical references for the student or therapist looking for a refresher.
Great Fitness articles/tips
To effectively treat the shoulder. You must know the anatomy of it.