Personal training is is very useful for beginner gym goers. Learning how to use the correct equipment for the correct movements and muscles is very important coming into a gym. Incorrect form often leads to injury. Also, the ins and outs of nutrition based around your workouts and lifestyle can be very tricky but I'm sure I can make it easy for you to learn. You can learn: Principles of nutrition The musculoskeletal system and its relationship to exercise The nerves system and its relation to exercise Energy systems and its relationship with exercise Applying the principles of nutrition to a physical activity programme Plan and programme personal training The above, are main headings of very wide subjects.