Know the difference between triceps single arm extension and diagonal PushDowns.The single-arm triceps extension is an effective exercise that targets the triceps muscles primarily targets tge short head of triceps. located at the back of your upper arm. This exercise can be performed using a dumbbell, which allows for a greater range of motion and helps to isolate the triceps more effectively than some other exercises.The diagonal pushdown is an effective exercise targeting the 3 heads of trice

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