Those trained to use Heavy Armor make more effective use of Iron, Steel, Dwarven, Orcish, Ebony and Daedric armors.

Take this tree if you are a warrior type class that will use heavy armor. Do not take any skill from this tree if you are a thief or mage, unless you are planning on wearing heavy armor.

Increase the heavy armor skill as you take damage while wearing heavy armor

TRAINERS

Journeyman Trainer: Hermir Stonghear (Windhelm)
Expert Trainer: Gharol (The Reach)
Master Trainer: Farkas (Whiterun)

PERKS

Juggernaut
(1/2/3/4/5)
Increases armor rating for heavy armor by 20/40/60/80/100%
Requires: Heavy Armor 0/20/40/60/80

Fists of Steel
Unarmed attacks with heavy armor gauntlets do their armor base rating in extra damage
Requires: Juggernaut, Heavy armor 30

Note: Could be useful to Khajiit

Cushioned
Half damage from falling if weaing all heavy armor: head, chest, hands, feet
Requires: Fists of Steel, Heavy armor 50

Note: Nice skill that can save your life while exploring

Conditioning
Heavy armor weighs nothing and doesn't slow you down when worn
Requires: Cushioned, Heavy armor 70

Well Fitted
25% Armor bonus if wearing all Heavy Armor: Head, Chest, Hands, Feet
Requires: Juggernaut, Heavy armor 30

Note: Take this skill as soon as possible as it greatly increases your armor rating

Tower of Strength
50% less stagger when wearing only heavy armor
Requires: Well Fitted, Heavy armor 50

Matching Set
Additional 25% armor bonus if wearing a matched set of heavy armor
Requires:  Tower Of Strength, Heavy armor 70

Note: Take if you plan on wearing armor from the same set, for a great boost in armor rating.

Reflect Blows
10% chance to reflect melee damage back to the enemy while wearing all heavy armor: head, chests, hand and feet.
Requires: Matcing Set, Heavy armor 100

Note: Great perk to have to inflict some damage back to opponent passively