Per basicness, the stats available are
Strength:
Speed:
Stamina:
Durability = Strength
1 strength = 5lbs
1 speed = 5 m/s
1 stamina = 5 minutes
Each Stat increase would double the power
For example say
5 strength = 80lbs
6 strength = 160lbs
So on, this applies to everything
Also each level up, grants 3 points