Shoulder joint dislocation

Athetosis resulting from basal ganglia injury

This animation illustrates the location of basal ganglia in the brain. Injury to the basal ganglia may result in athetosis (constant writhing movements of the body).

• Injury
• Headache

Hip abduction walk with resistance tubing

The hip abduction walk targets the hip muscles. See how it's done.

Abdominal crunch

The abdominal crunch is a classic core-strength exercise. See how it's done.

Zoloft (sertraline): Mechanism, Clinical Trials, and Dosing

An overview of how sertraline works in depression, clinical study data, and general dosing tips

• Zoloft

Ibuprofen: Pain Mechanism, Dose Safety and Drug Interactions

A brief discussion of mechanism of action, maximum doses and drug interactions for ibuprofen

• Ibuprofen