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Jack Knife - Single Leg - Dumbbell
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Jack Knife - Single Leg - Dumbbell

Description

Starting position: Lie on back, dumbbell on one foot. Steps: 1. Raise one leg with weight while lifting upper body 2. Lower with control 3. Alternate legs. Form notes: Keep non-working leg low, maintain balance, control weight.

Muscles Targeted

abs

Equipment Needed

check Dumbbell

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