Exercises/Strength

Side Jackknife - starting position

Start

Side Jackknife - ending position

End

Strength

Side Jackknife

beginnerBodyweight·compound·pull

Muscles Worked

Primary

Diaphragm External anal sphincter external oblique iliacus psoas major pubococcygeus

Alternatives to Side Jackknife

Same muscles, different equipment or difficulty

Compare

Side Jackknife vs Ab Crunch Machine→Side Jackknife vs Ab Roller→Side Jackknife vs Advanced Kettlebell Windmill→

Related Exercises

8

3/4 Sit-Up position 1

3/4 Sit-Up position 2

3/4 Sit-Up

beginner·bodyweight

Ab Crunch Machine position 1

Ab Crunch Machine position 2

Ab Crunch Machine

intermediate·machine

Ab Roller position 1

Ab Roller position 2

Ab Roller

intermediate·other

Advanced Kettlebell Windmill position 1

Advanced Kettlebell Windmill position 2

Advanced Kettlebell Windmill

intermediate·kettlebells

Air Bike position 1

Air Bike position 2

Air Bike

beginner·bodyweight

Alternate Heel Touchers position 1

Alternate Heel Touchers position 2

Alternate Heel Touchers

beginner·bodyweight

Barbell Ab Rollout position 1

Barbell Ab Rollout position 2

Barbell Ab Rollout

intermediate·barbell

Barbell Ab Rollout - On Knees position 1

Barbell Ab Rollout - On Knees position 2

Barbell Ab Rollout - On Knees

expert·barbell