Weight machine exercises
Learning Center
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Stress fractures
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Trichotillomania (hair-pulling disorder)
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Video: Biceps curl with weight machine
The biceps curl builds strength in the upper arm. See how it's done.
Video: Chest press with weight machine
The chest press exercise targets the chest muscles. See how it's done.
Video: Knee extension with weight machine
The knee extension exercise targets the front of the thigh. See how it's done.
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