High and fast reps vs slow negative reps.

compare:
type 1
10 reps of fast pull ups

type 2
6 reps of pull ups with slow negative, about 3- 4 seconds to lower down


both using same weight and training till muscle failure.

Which is more effective in inducing metabolic stress for muscle growth?

hopefully that is true, as it gives us more training flexibility.

at the meantime i prefer slow negative moment as it doesn't stress the joint that much.

But there are also views that slow negative moment is veering towards more on the isometric path, which isn't an effective approach to build muscle.