NO WAY!!! I just tested my max(hack)squat today i'm on week 2 phase one and its 176lbs thats CRAZY!!! i've increased my squat by heaps and i've been testing properly with mah friend who's a Personal Trainer he couldn't believe it either!!! I'll update my deadlift gains when i do my deadlifts on saturday. I'll be posting my vertical jump increase at the end of Phase 1.

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Stats
Height : 5"11
Weight :149.6lbs (68kg)

Starting Stats
Standing vert: 22inches
Running vert: 30 inches

Gained 2 inches in phase 1 of vjb.

Phase2 Stats:
Standing vert: 28 inches
Running Vert: 34inches

Gained 4" in standing vert in phase 2. 6" in 6 weeks.

Phase 3 Stats:
Standing vert: 30"
Running vert: 34"

Gained 2" in 3 weeks in phase 3. Now starting phase 4

Current Stats:
Standing vert: 31"
Running vert: 36"