How To Do The Jackknife Sit-Up - Fitness Training For Females - FxFitness.ca
FX FitnessTraining
2016-05-04
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This fitness training video will show you how to do theJackknife Sit-Up properly for females.
The main muscle that are worked in this strength exercise are the Abdominals.
For more fitness tips and suggestions, visit http://FxFitness.ca "Your Complete One Stop Fitness Shop"
The main muscle that are worked in this strength exercise are the Abdominals.
For more fitness tips and suggestions, visit http://FxFitness.ca "Your Complete One Stop Fitness Shop"
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