Exercise Comparison
90/90 Hamstring vs One-Arm Kettlebell Swings


90/90 Hamstring
beginner·Bodyweight


One-Arm Kettlebell Swings
intermediate·Kettlebells·compound
Side-by-Side
90/90 Hamstring
VS
One-Arm Kettlebell Swings
beginner
Level
intermediate
Bodyweight
Equipment
Kettlebells
N/A
Mechanic
compound
push
Force
pull
Stretching
Category
Strength
hamstrings
Primary
hamstrings
calves
Secondary
calvesgluteslower backshoulders
Muscle Analysis
Shared
hamstringscalves
Only in One-Arm Kettlebell Swings
gluteslower backshoulders
Instructions
90/90 Hamstring
1
Lie on your back, with one leg extended straight out.
2
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.
3
Extend your leg straight into the air, pausing briefly at the top. Return the leg to the starting position.
4
Repeat for 10-20 repetitions, and then switch to the other leg.
One-Arm Kettlebell Swings
Verdict
Both exercises target the hamstrings. 90/90 Hamstring is a beginner exercise using bodyweight, while One-Arm Kettlebell Swings is intermediate and uses kettlebells. Choose 90/90 Hamstring if you're looking for a more accessible option, or One-Arm Kettlebell Swings for a greater challenge.