Stability ball exercises

A stability ball gives you an unstable surface to work on, so your trunk works to keep you balanced. It also stands in for a bench.

31 stability ball exercises, each with step-by-step instructions, a demonstration and the muscles it works — grouped by the muscle they train most.

• Chest · 4
• Triceps · 3
• Lats · 4
• Lower back · 8
• Abs · 6
• Glutes · 5
• Hamstrings · 1