Smith machine "ideal for improving home gym safety"
Home gyms "can help build muscle"
Dumbbells "can help provide back strength"
Elliptical trainers "offer benefits"
Dumbbells offer "inexpensive" workout option
Treadmills "great for home gym"
Treadmills offer home gym benefits
Kettlebells "offer great home workout"
Benefits of dumbbells highlighted
Smith machine "ideal" for home use