If you regularly do cardio workouts at the gym, things can get stale really fast.

Cool down for four minutes.

Repeat eight times for a complete cardio session.

person doing a cardio treadmill workout at the gym

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Choose your level at left and repeat the circuit eight times to complete your session.

A.Find a resistance that feels like you’re on a moderate hill.

Warm-up for 15 minutes, moderate effort (RPE 5).

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B.Hill climb 1: Stay seated, use moderate resistance (RPE 6).

Recover by pedaling downhill in easy gear (RPE 2).

C.Hill climb 2: Stay seated, increase resistance (RPE 7).

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Recover by pedaling downhill in easy gear (RPE 2).

Recover by pedaling downhill in easy gear (RPE 2).

E.Hill climb 4: Sit halfway up the hill, then stand using hard resistance (RPE 8).

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Recover by pedaling downhill in easy gear (RPE 2).

F.Hill climb 5: Stand the entire way using moderate resistance (RPE 7).

Recover by pedaling downhill in easy gear (RPE 2).

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G.Hill climb 6: Stand the entire way using hard resistance (RPE 9).

Recover by pedaling downhill in easy gear (RPE 2).

A.Warm up for 15 minutes, moderate effort (RPE 5).

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Pedal hard for 10 seconds, remain seated (RPE 8).

Recover for 1 minute (RPE 3).

B.Pedal hard for 20 seconds, remain seated (RPE 8).

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Recover for 1 minute (RPE 3).

C.Pedal hard for 30 seconds, remain seated (RPE 8).

Recover for 2 minutes (RPE 3).

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Pedal hard for 10 seconds, standing up (RPE 8).

Sit back down and recover for 1 minute (RPE 3).

D.Pedal hard for 15 seconds, standing up (RPE 8).

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Sit back down and recover for 1 minute (RPE 3).

E.Pedal hard for 20 seconds, standing up (RPE 8).

Sit back down and recover for 2 minutes (RPE 3).

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F.Ride 5 minutes at RPE 5, then cool down for 5 minutes at RPE 3.

You’ll blast fat and calories and tone your lower body.

Note: Calories-burned is an average estimate.

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How many calories you burn will depend on multiple factors such as body composition, genetics and more.

Trainer tip:RPM is the number of times you turn (rotate) the pedals per minute.

To get an even better workout, go hands-free and pump your arms, as if you were running.

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Be sure to keep the incline of your treadmill at 1% throughout the workout.

If the pace seems too fast, modify to suit your fitness level.

Weekly Cardio Workout Plan for the Gym

Not sure how much cardio to do in a week?

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Try this 7-day plan from Jenny Hadfield, author of “Running for Mortals.”

B.2 minutes: Take it up a notch (RPE 6).

C.1 minute: RPE 5

D.2 minutes: Take it up to RPE 7, where speech gets choppy.

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E.1 minute: RPE 5

F.3 minutes: Go at a fast pace (RPE 8).

G.Reverse order, returning to RPE 5 for 1 minute and so on.

Calories burned:107 (walk) to 278 (run), based on a 140-pound woman.

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Try 35 minutes of longer bursts.

A.5 minutes: Warm up at an easy RPE 4 pace.

B.2 minutes: Go at a moderate RPE 5 pace.

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C.3 minutes: Pick it up to a brisk RPE 7 pace.

E.4 minutes: Speed up to RPE 7.

A.5 minutes: Warm up at an easy pace, reaching RPE 5.

person doing a treadmill cardio workout at the gym

You’ll alternate 1 minute at a steady pace with varying 1-minute bursts.

(The cardio workout at the gym also works for the elliptical or stair climber.)

Do the highest level you could.

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Hate to clock it?

Sing six choruses of “99 Bottles of Beer,” then return to your walk or jog.

Try this cross-training routine from Todd Durkin, owner of Fitness Quest 10 in San Diego, California.

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Level 1

A.0:00-5:00: Warm up, 3.5 MPH, 0%.

B.5:00-7:00: Speed-walk, 4.0 MPH, 0%.

E.33:00-38:00: Cool down, 3.5 MPH, 0%.

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Level 2

A.0-5:00: Warm-up, 3.5 MPH, 0%.

E.39:00-45:00: Cool-down, 3.5 MPH, 0%.

C.10:00-12:00: Sprint (6.0-7.0 MPH, 0%) or speed-walk (3.8 MPH, 10%).

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E.47:00-52:00: Cool down, 3.5 MPH, 0%.

Adapted fromThe Hollywood Trainer Weight-Loss Planby Jeanette Jenkins with permission of G.P.

Putnam’s Sons, a member of the Penguin Group USA.

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Copyright 2007 by Jeanette Jenkins.

Calories burned: 161 (walking); 191 (jogging)

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