Full arc extensions are exercises to work the quads.
Start without ankle weights and build up repetitions. Then when it seems too easy, add ankle weights (start with 500g).
If you have problems viewing the video, here is a set of still images to show you the exercise.
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Sit comfortably on a chair. |
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Slowly straighten the knee. |
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Hold it there for 10 seconds. |
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Slowly lower it. |
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Repeat the exercise with the other leg. Repeat 10 times. |