| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Obliques, Quadriceps, Lower Back | 
| required: | Exercise Ball | 
| level: | Hard | 
| type: | Strength | 
Variations Of Straight Arm Plank Around The World
| muscle: | Rectus Abdominis, Obliques, Lower Back | 
|---|---|
| auxiliary muscles: | Deltoids, Glutes, Serratus Anterior, Latissimus Dorsi, Trapezius | 
| required: | Exercise Ball | 
| level: | Challenging | 
| type: | Strength | 
| muscle: | Lower Back, Rectus Abdominis, Obliques | 
|---|---|
| auxiliary muscles: | Quadriceps, Hamstrings, Glutes, Trapezius | 
| required: | Nothing | 
| optional: | Fitness Mat, Seat | 
| level: | Normal | 
| type: | Strength | 
| muscle: | Obliques, Glutes, Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Hamstrings, Trapezius, Adductors, Lower Back, Abductors | 
| required: | Nothing | 
| optional: | Seat, Exercise Ball, Weight Cuffs, Bench | 
| level: | Normal | 
| type: | Strength, Cardio | 
| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Triceps, Hand Flexors, Hand Extensors, Latissimus Dorsi, Trapezius, Lower Back, Deltoids, Obliques, Hamstrings, Glutes | 
| required: | Towel | 
| level: | Normal | 
| type: | Strength | 
| muscle: | Lower Back, Rectus Abdominis, Glutes | 
|---|---|
| auxiliary muscles: | Triceps, Deltoids, Obliques, Hamstrings | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Hard | 
| type: | Strength | 
| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Hamstrings, Glutes, Trapezius, Lower Back, Deltoids, Obliques, Quadriceps | 
| required: | Nothing | 
| optional: | Towel | 
| level: | Normal | 
| type: | Strength | 
| muscle: | Triceps, Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Trapezius, Lower Back, Deltoids, Obliques, Hamstrings, Glutes | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Normal | 
| type: | Strength | 
| muscle: | Rectus Abdominis | 
|---|---|
| auxiliary muscles: | Trapezius, Lower Back, Obliques, Quadriceps, Hamstrings, Glutes | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Easy | 
| type: | Strength - isometric | 
| muscle: | Abductors, Glutes, Rectus Abdominis, Obliques, Adductors | 
|---|---|
| auxiliary muscles: | Shins, Trapezius, Lower Back, Hamstrings | 
| required: | Nothing | 
| optional: | Fitness Mat | 
| level: | Normal | 
| type: | Strength, Plyometrics, Cardio | 










































