| muscle: | Glutes, Lower Back, Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Obliques, Quadriceps, Hamstrings, Trapezius, Deltoids | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Hard | 
| type: | Strength | 
Variations Of Saw Plank
| muscle: | Deltoids, Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Serratus Anterior, Latissimus Dorsi, Trapezius, Lower Back, Obliques, Hamstrings, Glutes | 
| required: | Exercise Ball | 
| level: | Normal | 
| type: | Strength | 
| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Obliques, Quadriceps, Lower Back | 
| required: | Exercise Ball | 
| level: | Hard | 
| type: | Strength | 



















