![When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange](https://i.stack.imgur.com/pxchZ.png)
When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange
![Smiling Young Woman Doing Twist Crunches Exercise Stock Photo - Image of exercise, beautiful: 223397108 Smiling Young Woman Doing Twist Crunches Exercise Stock Photo - Image of exercise, beautiful: 223397108](https://thumbs.dreamstime.com/z/smiling-young-woman-doing-twist-crunches-exercise-confident-abs-exercises-floor-yoga-mat-lady-cross-body-knee-to-elbow-223397108.jpg)
Smiling Young Woman Doing Twist Crunches Exercise Stock Photo - Image of exercise, beautiful: 223397108
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Bicycle crunch exercise: Över 76 royaltyfria licensierbara stockillustrationer och teckningar | Shutterstock
![Smiling Young Black Woman Doing Twist Crunches Exercise Stock Image - Image of motivation, movement: 223499863 Smiling Young Black Woman Doing Twist Crunches Exercise Stock Image - Image of motivation, movement: 223499863](https://thumbs.dreamstime.com/z/smiling-young-black-woman-doing-twist-crunches-exercise-confident-abs-exercises-floor-yoga-mat-lady-cross-body-knee-to-elbow-223499863.jpg)
Smiling Young Black Woman Doing Twist Crunches Exercise Stock Image - Image of motivation, movement: 223499863
![When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange](https://i.stack.imgur.com/zrk9f.png)
When doing abdominal crunches, should I place my arms across my chest or behind my head? - Physical Fitness Stack Exchange
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![Dumbbell Crossover Crunch | 12 Arm Exercises You Can Do at Home For a Toned Upper Body | POPSUGAR Fitness Photo 12 Dumbbell Crossover Crunch | 12 Arm Exercises You Can Do at Home For a Toned Upper Body | POPSUGAR Fitness Photo 12](https://media1.popsugar-assets.com/files/thumbor/DubtpA7xOc4SiX9Sd0ZXI_JY61E/fit-in/2048xorig/filters:format_auto-!!-:strip_icc-!!-/2018/07/10/702/n/44223267/96521ccfd4f8f4c3_Dumbbell-Crossover-Punch/i/Dumbbell-Crossover-Crunch.jpg)