Sumo deadlift like a conventional deadlift is not just muscling up. It is a multi-joint exercise that focuses on your hamstrings and glutes and in the process activates your quadriceps and core.
When it comes to sumo vs conventional deadlift, sumo deadlift is the harder yet more power building exercise and to lift more resistance than in the traditional deadlift it should be performed with the hands close together as in dumbbell sumo deadlift and with a wider stance.
In fact, sumo deadlift high pull is a better way to strengthen muscles as it hits your mid-back, rhomboids, and rear delts along with the whole posterior chain : hamstrings, glutes, and lower back and builds boulder traps more efficiently. Here is a step wise process on how to sumo deadlift for a better strength.
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