A compound leg and core exercise, the stability ball jackknife targets your iliopsoas (hip flexors). Your abs contract dynamically only with waist flexion.
Tag: rectus abdominis
An advanced core exercise, use the standing ab wheel rollout only after you have mastered the walkout, front plank, and wheel rollout on your knees.
Work your rectus abdominis (the target) and internal and external obliques (the synergists) with the machine leg raise crunch, an isolation and pull exercise.
The stability ball leg extension crunch combines an isolation push exercise (leg extension) with an isolation pull exercise (crunch) to produce a rare compound...
The vertical leg crunch was found to produce 29% more mean activity in the rectus abdominis and 116% more mean activity in the obliques than the regular crunch!
The bicycle crunch was ranked in one study as the most effective exercise for your abs and the second most effective exercise for your obliques!
The v-up is an advanced core exercise that targets your rectus abdominis, while your obliques, hip flexors, adductors, and rectus femoris work as synergists.
The high reverse plank is a great bodyweight exercise for strengthening your core and the key muscles of your posterior chain (erector spinae, gluteus maximus...
A compound pull exercise for your core and legs, use the decline twisting sit-up to work your abs, obliques, hip flexors, and hip adductors.
The lying leg and hip raise is a primary compound core exercise that effectively works your abs, obliques, hip flexors, and adductors.
Work your rectus abdominis with the kneeling cable crunch, an auxiliary core exercise. Your internal and external obliques act as synergists.
Also known as toes-to-bar, the hanging straight leg-hip raise is one of the most effective exercises for your abs and obliques.