until knees are flexed right-angled. Keep back straight, bend hips and move backward to keep knees above feet. Return, keep legs slightly flexed. Repeat.
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until knees are flexed right-angled. Keep back straight, bend hips and move backward to keep knees above feet. Return, keep knees slightly flexed. Repeat.
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and hips, move hip backward and knees forward until legs are flexed right-angled. Keep back straight. Return, keep knees slightly flexed. Repeat.
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