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