Exercise Comparison
90/90 Hamstring vs Stiff-Legged Dumbbell Deadlift




Side-by-Side
Muscle Analysis
Shared
Only in 90/90 Hamstring
Only in Stiff-Legged Dumbbell Deadlift
Instructions
90/90 Hamstring
Lie on your back, with one leg extended straight out.
With the other leg, bend the hip and knee to 90 degrees. You may brace your leg with your hands if necessary. This will be your starting position.
Extend your leg straight into the air, pausing briefly at the top. Return the leg to the starting position.
Repeat for 10-20 repetitions, and then switch to the other leg.
Stiff-Legged Dumbbell Deadlift
Grasp a couple of dumbbells holding them by your side at arm's length.
Stand with your torso straight and your legs spaced using a shoulder width or narrower stance. The knees should be slightly bent. This is your starting position.
Keeping the knees stationary, lower the dumbbells to over the top of your feet by bending at the waist while keeping your back straight. Keep moving forward as if you were going to pick something from the floor until you feel a stretch on the hamstrings. Exhale as you perform this movement
Start bringing your torso up straight again by extending your hips and waist until you are back at the starting position. Inhale as you perform this movement.
Repeat for the recommended amount of repetitions.
Verdict
Both exercises target the hamstrings. 90/90 Hamstring is a beginner exercise using bodyweight, while Stiff-Legged Dumbbell Deadlift is beginner and uses dumbbell. Choose 90/90 Hamstring if you have access to bodyweight, or Stiff-Legged Dumbbell Deadlift if you prefer dumbbell.