Crunches Main muscle: abdominals

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Main muscle: abdominals

Crunches – Starting position: Lie down on your back and bend your knees at a 90 degrees angle. Put your hands behind

your head (loosely) and place your feet on the floor.

Now roll your shoulder off the floor and try to push your lower back on the floor to isolate the abdominals. Keep contracting the abdominals until you have arrived at the highest point you can reach. Exhale during this motion.
After that, begin to bring your shoulders back to the starting position. Stay under control, do not use any

momentum!

Repeat this process as often as it is mentioned on your workout routine!

What is the Crunches muscles? – Crunches Main muscle: abdominals

Crunches or abdominal crunches work the rectus abdominis muscle in the midsection of your body. Crunches—sometimes called “ab curls”— may also engage the external or internal oblique muscles, especially when rotation is added to the movement. Abdominal crunches are an effective way to strengthen the front of your torso or core region of your body.

Primary muscles worked:

Obliques The obliques are actually two muscles: internal obliques and external obliques. They are located on the sides of the abdominals

Secondary muscles worked:

Why Do We Need Strong Crunches muscles? – Crunches Main muscle: abdominals

A strong core helps to keep your body balanced and stable as you move throughout your daily and athletic activities. They help your pelvis, lower back, and hip muscles to work together with your abdominal muscles. Good balance makes you less likely to fall and injure yourself