until thighs are parallel to floor. Keep back straight, bend and move hips backward to keep knees above feet. Return, keep knees slightly flexed. Repeat.
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and hip, 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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and hip, move hip backward and knees forward until barbell reaches knees. Keep back straight. Return by extending knees and hips. Flex shoulders at top of motion. Repeat.
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with one leg. Simultaneously flex knees and hip to lower body until knee of rear leg is just above floor. Extend rear knee to return to starting position. Repeat. Continue with opposite side.
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