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The Safe Back Workout
註釋"Whether you are recovering from back pain or injury, or you just want to keep your back strong and healthy, The safe back workout series is for you! The four tapes in this series were developed by an internationally known team ofrehabilitation experts who will teach you exercises and stretches to help you achieve a strong back ... [learn] a fun gymnastic ball workout, [and] how to protect your back from injury at your health club."--Container