Weight machine exercises
Learning Center
Video: Seated hamstring curl with weight machine
The hamstring curl exercise targets the back of the thigh. See how it's done.
Video: Seated leg press with weight machine
The leg press exercise strengthens the lower body. See how it's done.
Video: Seated row with weight machine
The seated row targets the muscles in the upper back. See how it's done.
Video: Smoking — Anatomy of nicotine addiction
This animation illustrates how smoking changes your brain, causing nicotine addiction.
Video: Triceps extension with weight machine
The triceps extension targets the back of the upper arm. See how it's done.
Video: Using a metered dose asthma inhaler and spacer
Watch this video to see how to use a metered dose asthma inhaler and spacer.
Video: What happens during obstructive sleep apnea?
Sleep apnea — Watch this video to see how snoring and obstructive sleep apnea occur.
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