Section 4
Diseases, Disorders, and Injuries of the Joints
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
2 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/7824/square/010-10-02-pulled-hamstring.jpeg)
Sprain and Strain
A strain is a tear in tendon fibers resulting from overstretching, while a sprain is an equivalent injury to a ligament.
![Thumbnail](../../../../../../figures.boundless-cdn.com/5202/square/rheumatoid-arthritis.jpeg)
Rheumatism and Arthritis
Rheumatoid arthritis is a chronic, systemic inflammatory disorder that affects many tissues and organs, but mainly attacks flexible joints.