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25-Minute Intermediate Full-Body Strength and Cardio

A balanced intermediate circuit to build strength and conditioning in ~25 minutes.

Warm-Up

5 minutes. Raise heart rate and prep joints for squats, lunges, and push-ups.

Jumping Jack
Jumping Jack1 min
How to

A full-body cardio move that trains coordination, calves, shoulders, and hips.

  1. Stand tall with feet together and arms at your sides.
  2. Jump your feet out as you raise your arms overhead.
  3. Jump your feet back together as you lower your arms.
  4. Repeat at a steady pace, landing softly each time.
Form cues
  • Stay light on your toes
  • Keep your chest tall
Common mistakes
  • Landing hard with locked knees
  • Letting your arms swing out of control
Inchworm
Inchworm1 min
How to

A full-body walkout that trains your core, shoulders, and hamstrings.

  1. Stand tall with feet hip-width apart.
  2. Hinge at your hips and place your hands on the floor.
  3. Walk your hands forward to a high plank.
  4. Pause with your body in a straight line.
  5. Walk your hands back to your feet and stand up.
Form cues
  • Brace your core in the plank.
  • Keep your legs as straight as you can.
Common mistakes
  • Letting your hips sag in the plank.
  • Rushing the hand walkout.
Bodyweight Squat
Bodyweight Squat1 min
How to

A bodyweight lower-body move that trains your quads, glutes, and hips.

  1. Stand with feet about shoulder-width apart and toes slightly out.
  2. Brace your core and keep your chest tall.
  3. Bend your knees and hips to lower into a squat.
  4. Push through your feet to stand back up.
Form cues
  • Keep your knees tracking over your toes
  • Keep your chest up
Common mistakes
  • Letting your knees cave in
  • Rounding your back as you lower
Push Up
Push Up1 min
How to

A bodyweight press that trains your chest, shoulders, triceps, and core.

  1. Start in a high plank with hands just wider than shoulders.
  2. Brace your core and keep your body in a straight line.
  3. Bend your elbows and lower your chest toward the floor.
  4. Press the floor away until your arms are straight again.
  5. Repeat for your reps.
Form cues
  • Keep your ribs down
  • Move your body as one piece
Common mistakes
  • Letting your hips sag
  • Flaring your elbows straight out
Mountain Climber
Mountain Climber1 min
How to

A fast plank move that trains your core, shoulders, and hip flexors.

  1. Start in a high plank with hands under shoulders and legs straight.
  2. Brace your core and keep your body in a straight line.
  3. Drive one knee toward your chest, then quickly step it back.
  4. Alternate knees at a steady pace for the set.
Form cues
  • Keep your hips low
  • Push the floor away
Common mistakes
  • Letting your hips bounce high
  • Dropping your head or rounding your shoulders

Circuit A

3 rounds. Controlled reps. Rest briefly between rounds.

Bodyweight Squat
Bodyweight Squat12x
How to

A bodyweight lower-body move that trains your quads, glutes, and hips.

  1. Stand with feet about shoulder-width apart and toes slightly out.
  2. Brace your core and keep your chest tall.
  3. Bend your knees and hips to lower into a squat.
  4. Push through your feet to stand back up.
Form cues
  • Keep your knees tracking over your toes
  • Keep your chest up
Common mistakes
  • Letting your knees cave in
  • Rounding your back as you lower
Push Up
Push Up10x
How to

A bodyweight press that trains your chest, shoulders, triceps, and core.

  1. Start in a high plank with hands just wider than shoulders.
  2. Brace your core and keep your body in a straight line.
  3. Bend your elbows and lower your chest toward the floor.
  4. Press the floor away until your arms are straight again.
  5. Repeat for your reps.
Form cues
  • Keep your ribs down
  • Move your body as one piece
Common mistakes
  • Letting your hips sag
  • Flaring your elbows straight out
Reverse Lunge
Reverse Lunge10x each side
How to

A backward-stepping lunge that trains your quads, glutes, and balance.

  1. Stand tall with your feet hip-width apart.
  2. Step one foot back and lower until both knees bend.
  3. Push through your front foot to stand back up.
  4. Finish your reps, then switch legs.
Form cues
  • Keep your chest tall.
  • Track your front knee over your toes.
Common mistakes
  • Letting your front knee cave inward.
  • Pushing off the back foot to stand.
Plank Shoulder Tap
Plank Shoulder Tap16x both sides
How to

A plank variation where you tap each shoulder in turn to train your core, shoulders, and balance.

  1. Start in a high plank with hands under shoulders and feet set wide.
  2. Brace your core and keep your body in a straight line.
  3. Lift one hand and tap the opposite shoulder.
  4. Place it back down, then alternate sides each rep.
Form cues
  • Keep your hips still
  • Press the floor away
Common mistakes
  • Rocking your hips side to side
  • Letting your lower back sag
3 rounds · 15 sec rest
1 min rest

Circuit B

3 rounds. Keep pace up while maintaining form. Step instead of jump if needed.

Mountain Climber
Mountain Climber40 sec
How to

A fast plank move that trains your core, shoulders, and hip flexors.

  1. Start in a high plank with hands under shoulders and legs straight.
  2. Brace your core and keep your body in a straight line.
  3. Drive one knee toward your chest, then quickly step it back.
  4. Alternate knees at a steady pace for the set.
Form cues
  • Keep your hips low
  • Push the floor away
Common mistakes
  • Letting your hips bounce high
  • Dropping your head or rounding your shoulders
Glute Bridge
Glute Bridge15x
How to

A floor hip lift that trains your glutes and hamstrings with both feet planted.

  1. Lie on your back with knees bent and feet flat, hip-width apart.
  2. Brace your core and press your arms lightly into the floor.
  3. Drive through your heels and lift your hips until your body forms a straight line.
  4. Squeeze your glutes at the top, then lower with control.
  5. Repeat for your reps.
Form cues
  • Keep your ribs down
  • Drive through your heels
Common mistakes
  • Arching your lower back at the top
  • Pushing through your toes
Side Plank
Side Plank25 sec each side
How to

A side hold that trains your obliques, hips, and shoulder stability.

  1. Lie on one side with your elbow under your shoulder and legs stacked.
  2. Lift your hips until your body forms a straight line.
  3. Hold the position and breathe steadily.
  4. Lower your hips with control.
  5. Finish your hold, then switch sides.
Form cues
  • Keep your hips stacked
  • Press the floor away
Common mistakes
  • Letting your hips sag
  • Rolling your chest toward the floor
3 rounds · 15 sec rest

Cool-Down

2 minutes. Bring breathing down and stretch hips/hamstrings.

Child's Pose Stretch
Child's Pose Stretch1 min
How to

A kneeling rest stretch that relaxes your back, hips, and shoulders while you breathe.

  1. Kneel with your big toes together and knees apart.
  2. Sit your hips back toward your heels.
  3. Reach your arms forward and lower your chest to the floor.
  4. Rest your forehead down and relax your neck.
  5. Hold the stretch and breathe slowly.
Form cues
  • Let your hips sink back
  • Keep your neck relaxed
Common mistakes
  • Forcing your hips down
  • Holding your breath
Hamstring Stretch
Hamstring Stretch1 min
How to

A held stretch for the back of your thigh that targets your hamstrings.

  1. Sit tall with your target leg straight and toes up.
  2. Hinge at your hips and reach toward your foot.
  3. Stop when you feel a gentle stretch behind your thigh.
  4. Hold the stretch and breathe slowly.
  5. Release slowly, then switch sides if stretching one leg.
Form cues
  • Keep your back long.
  • Hinge from your hips.
Common mistakes
  • Rounding your back to reach farther.
  • Bouncing in the stretch.
Compound Patterns Drive Full-Body Efficiency

Compound Patterns Drive Full-Body Efficiency

Bodyweight Squats and Reverse Lunges target quads, glutes, and hip stabilizers through bilateral and unilateral loading, while Push Ups recruit pectorals, anterior deltoids, and triceps simultaneously. Pairing these multi-joint movements with Mountain Climbers forces your cardiovascular system to serve active muscle groups, maximizing caloric output within the 25-minute window.

The Real Cost of Concurrent Training

The Real Cost of Concurrent Training

Combining strength and cardio in a single session creates competing adaptations — your muscles must generate force while your aerobic system manages lactate clearance. Jumping Jacks and Mountain Climbers elevate heart rate strategically between strength sets, training your body to recover faster between efforts — a critical skill for general fitness and real-world physical demands.

Structure Your Progression Beyond the Timer

Structure Your Progression Beyond the Timer

This circuit follows a specificity principle: Inchworm primes thoracic mobility and hamstring length before load, while Plank Shoulder Taps and Side Planks build the anti-rotation core stability that protects your spine during squats and lunges. To personalize progression, add a 2-second eccentric phase to your Squats and Lunges each week before increasing volume.

25-Minute Intermediate Full-Body Strength and Cardio | Mighty Nimble | Mighty Nimble