Arm: 1. In popular usage, the appendage that extends from the shoulder to the hand. However, the medical definition refers to the upper extremity extending from the shoulder only to the elbow, excluding the forearm, which extends from the elbow to the wrist. The arm contains one bone: the humerus. 2. In a randomized clinical trial, any of the treatment groups. Most randomized trials have two "arms," but some have three "arms," or even more.
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Cervical Spinal Stenosis - Topic Overview (
WebMD
)
What is cervical spinal stenosis ? Cervical spinal stenosis is the narrowing of the spinal canal in the neck . The spinal canal is ...permanent loss of strength and feeling in the arms , hands, and legs...
Fever Seizures - Topic Overview (
WebMD
)
Fever seizures can be frightening but they are not usually harmful to the child and do not cause ...or twitching arms or legs. The child also may seem confused after the seizure, but normal behavior...
Lymphedema - Topic Overview (
WebMD
)
What is lymphedema?Lymphedema is a collection of fluid that causes swelling (edema) in the arms and legs.What causes...a collection of fluid that causes swelling (edema) in the arms and legs. What...
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