Freeride Muscular Endurance

Starting the ski specific portion of the plan.

For week two of the ME workouts, the following is listed:

Does it mean that you do two 4×50 workouts?

Or is it that workout #1 refers to week one, and workout #2 to week two, and so on?

Nomenclature:
Workout #1-
Do 4 sets of 50 repetitions of the 1/2 squat using 24-30% of your 1 rep max. Time this set. Rest 2x the duration of this 50 rep set between each set.

Workout #2:
-4x 50reps. rest for 1.5x work time each set
Rest 60 sec
-Box dips
-Lateral Bar hops
-Push ups