| muscle: | Rectus Abdominis, Obliques, Lower Back |
|---|---|
| auxiliary muscles: | Deltoids, Glutes, Serratus Anterior, Latissimus Dorsi, Trapezius |
| required: | Exercise Ball |
| level: | Challenging |
| type: | Strength |
Variations Of Jackknife On Exercise Ball, One-Legged
| 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: | Quadriceps, Hamstrings, Glutes, Trapezius, Lower Back, Obliques |
| 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 |
| muscle: | Biceps, Triceps, Rectus Abdominis |
|---|---|
| auxiliary muscles: | Trapezius, Lower Back, Deltoids, Obliques, Quadriceps, Hamstrings, Glutes |
| required: | Nothing |
| optional: | Towel |
| level: | Challenging |
| type: | Strength - isometric |