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Walking and
Zero-grade walking or running intervals are in one-minute
Running:
segments. Grade changes are permanent; speed changes affect the
Speed
current one-minute segment only.
Intervals
Walking and
Zero-grade gradually increases speed then decreases speed,
Running:
changing once per minute. Grade changes are permanent; speed
Speed Ramp
changes affect the current one-minute segment only.
Changes in Speed
Changes in Speed
P
E R F O R M A N C E
Special Workouts
C
O
HAPTER
S
O
E R I E S
W N E R
: B
O
NE
ASIC
PERATION
'
G
S
U I D E
15
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