| muscle: | Lower Back, Rectus Abdominis, Obliques | 
|---|---|
| auxiliary muscles: | Hamstrings, Glutes, Trapezius | 
| required: | Nothing | 
| optional: | Fitness Mat, Weight Cuffs | 
| level: | Normal | 
| type: | Strength, Plyometrics, Cardio | 
Variations Of Plank Extension With Exercise Ball
| muscle: | Glutes, Lower Back, Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Hamstrings, Trapezius, Deltoids, Obliques, Quadriceps | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Hard | 
| type: | Strength | 
| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Lower Back, Obliques, Quadriceps | 
| required: | Exercise Ball | 
| level: | Hard | 
| type: | Strength | 

















