MUSCLE ACTIVATION videos

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'PRIME Hybrid Low Back Extension - Overview'
'PRIME Hybrid Low Back Extension - Overview' 00:53 Nov 14, 2021
'Marines Force Fitness-Walking Lunge with Twist'
'Marines Force Fitness-Walking Lunge with Twist' 00:38 May 6, 2021
'Marines Force Fitness-Walking Knee Hug'
'Marines Force Fitness-Walking Knee Hug' 00:30 Mar 18, 2021