This is the leg extension exercise with muscles used, instructions, suggested starting weight and average and alternatives to it.
Leg Extension Benefits: Build Your Quad Muscles — Strength Warehouse USA
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Pin by Marlea Z. on Never Fall OFF Leg extensions workout, Leg and glute workout, Workout plan gym
Leg Workout : Leg Extensions (Burns 68 Calories)
Seated Leg Extensions Exercise Demonstration
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Leg Extension Exercise, Technique & Common Mistakes