The V-sit ab exercise works multiple areas of your core, building abdominal strength while challenging your balance.
The reverse crunch is a variation of the traditional abdominal crunch exercise. During this movement, your upper body remains on the mat as you contract your abs, bringing your legs toward your chest.
This Pilates scissors exercise is great for targeting both the upper and lower abs, as well as the obliques. The criss-cross motion will also give you a good stretch in your hamstrings and hip flexors.
This compound double leg lift movement works both your upper and lower abdominal muscles, as well as the hip flexors. You'll also activate the front of your thighs (quadriceps) and the buttocks (gluteal) muscles.
The bicycle crunch effectively targets the lower abdominal muscles, as well as the obliques. This is a beginner move that requires only a mat.
The bird-dog is a bodyweight movement that strengthens the abdominal muscles, lower back, and glutes. This exercise requires only a mat, as you will use your own body weight as resistance during the movement.
This may not be the most conventional-sounding exercise, but the strange name aside, the dead bug is highly effective for your core.
Performed from a plank position, mountain climbers involve bringing one knee to the chest then back out again, speeding up each time.
This classic Pilates hundred exercise is named for the 100 beats you will perform with your arms during the set.
Boat Pose (Navasana) is a yoga-based move with a focus on building abdominal strength. Like many yoga poses, you'll work a number of different muscle groups during this exercise.