Category: S

A gait in which the foot is lifted high to clear the toes, there is no heel strike, and the toes hit the ground first. It is seen in anterior tibialis paralysis, peripheral neuritis, late stages of diabetic neuropathy, alcoholism, and chronic arsenic poisoning.  

A spastic, shuffling gait due to increased muscle tone resulting from deep tendon reflexes below the level of compression.  

A gait marked by associated stooped posture, knee and hip flexion, diminished arm swinging, stiffness in turning, and broad-based, small steps. It is usually seen in older adults.  

Arousals and awakenings that disrupt the normal stages and architecture of sleep. These events, which occur commonly in patients who have sleep apnea or chronic pain, contribute to daytime sleepiness and other health problems.  

A traumatic fracture of all four pubic rami, often associated with injury to the urethra.  

The separation of a ligament from its insertion, taking with it a piece of the bone.  

A fracture of the lateral border of the talus caused by inversion and rotation of the talus within the mortise. Signs and symptoms often mimic those of an inversion (lateral) ankle sprain.  

An avulsion fracture of the patella that typically occurs as a result of a sudden strong contraction of the quadriceps muscle group.  

The ratio of the amount (number of moles or entities) of a constituent of a mixture to the total of constituents of the system.  

The concave triangular area above the spinous process of the posterior surface of the scapula.