| muscle: | Lower Back, Rectus Abdominis, Obliques |
|---|---|
| auxiliary muscles: | Serratus Anterior, Latissimus Dorsi, Trapezius, Deltoids, Glutes |
| required: | Exercise Ball |
| level: | Challenging |
| type: | Strength |
Variations Of Jackknife On Exercise Ball, One-Legged
| muscle: | Lower Back, Rectus Abdominis, Obliques |
|---|---|
| auxiliary muscles: | Trapezius, Quadriceps, Hamstrings, Glutes |
| required: | Nothing |
| optional: | Fitness Mat, Seat |
| level: | Normal |
| type: | Strength |
| muscle: | Rectus Abdominis, Obliques, Glutes |
|---|---|
| auxiliary muscles: | Abductors, Hamstrings, Trapezius, Adductors, Lower Back |
| required: | Nothing |
| optional: | Bench, Seat, Exercise Ball, Weight Cuffs |
| level: | Normal |
| type: | Strength, Cardio |
| muscle: | Rectus Abdominis |
|---|---|
| auxiliary muscles: | Obliques, Hamstrings, Glutes, Triceps, Hand Flexors, Hand Extensors, Latissimus Dorsi, Trapezius, Lower Back, Deltoids |
| 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: | Lower Back, Deltoids, Obliques, Quadriceps, Hamstrings, Glutes, Trapezius |
| 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: | Rectus Abdominis, Obliques, Adductors, Abductors, Glutes |
|---|---|
| auxiliary muscles: | Lower Back, Hamstrings, Shins, Trapezius |
| required: | Nothing |
| optional: | Fitness Mat |
| level: | Normal |
| type: | Strength, Plyometrics, Cardio |
| muscle: | Biceps, Triceps, Rectus Abdominis |
|---|---|
| auxiliary muscles: | Hamstrings, Glutes, Trapezius, Lower Back, Deltoids, Obliques, Quadriceps |
| required: | Nothing |
| optional: | Towel |
| level: | Challenging |
| type: | Strength - isometric |