From LSWiki

Class: Movement Skills
Attribute: Strength
Pedagogy: Physical Training

The ability to carry heavy loads.  Partially this is about training one's body to do the 
work, and the rest is the skill of arranging one's load so as to be easiest to carry.

Notes

Trainers

Losthaven: Pryderi
Association required:
Hank's Garbage Dwarves: Hank
Guild required:
Brute Squad: Fezzik
Hawkmen: Katar
Nizari: Hasan Wanders
Ordo Ignis Aeternis: Iklam wanders
Quest required