Equivalent term for ATL, TL and TSS?

[curve]

Hi,

What are theterms used in Interverval for ATL, CTL and TSS ?

I think : CTL = Fitness
ATL = ??

TSS = ??

Tahnks you

[PattyP]

CTL = Fitness
ATL = Fatique
TSS = Load

[fastfitnesstips]

How about this:

CTL = Chronic Load
ATL = Recent Load
TSS = Current Load
TSB = Change in Load