Mighty Nimble
Mighty Nimble
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Intermediate Youth Athletic Development

A 25-minute youth athletic development session focused on coordination, power, strength, and speed.

Warm-Up

Raise body temperature, activate key muscles, and prepare for jumping and sprinting. RAMP protocol: Raise, Activate, Mobilize, Prepare.

Jumping Jack
Jumping Jack30 sec
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
High Knee
High Knee20 sec
How to

A fast marching or running move that raises each knee to train your legs and raise your heart rate.

  1. Stand tall with feet under your hips and arms at your sides.
  2. Drive one knee up toward hip height as the opposite arm swings forward.
  3. Land softly on the ball of that foot.
  4. Switch quickly to the other knee and keep alternating.
  5. Keep a steady rhythm until the set ends.
Form cues
  • Stay tall through your chest
  • Land light and quick
Common mistakes
  • Leaning back as your knees lift
  • Stomping your feet into the floor
Inchworm
Inchworm6x
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.
Lateral Shuffle
Lateral Shuffle20 sec
How to

A side-to-side cardio move that trains quick feet, hips, and legs.

  1. Stand with feet hip-width apart and knees slightly bent.
  2. Step quickly to one side, then bring your other foot in.
  3. Shuffle a few steps, staying low and light on your feet.
  4. Push off and shuffle back the other way.
  5. Keep alternating sides for the set.
Form cues
  • Stay low with your chest up
  • Keep your feet quick and light
Common mistakes
  • Standing tall between shuffles
  • Letting your feet cross over
2 rounds · 10 sec rest

Main Session

Power, strength, and trunk stability in an athletic circuit.

Skater Jump
Skater Jump25 sec
How to

A side-to-side jump that trains your legs, glutes, and lateral power.

  1. Stand tall with knees soft and arms ready.
  2. Jump sideways onto one foot, letting the other leg sweep behind you.
  3. Land softly with your knee bent and chest up.
  4. Push off and jump back to the other side.
  5. Keep alternating sides for the set.
Form cues
  • Land softly on the whole foot
  • Keep your chest up
Common mistakes
  • Letting your knee cave inward
  • Rushing the landing before you are balanced
Squat Jump
Squat Jump6x
How to

A bodyweight squat into an explosive jump that trains your legs, glutes, and power.

  1. Stand with feet about shoulder-width apart and arms by your sides.
  2. Push your hips back and bend your knees into a squat.
  3. Drive through your feet and jump straight up.
  4. Land softly with knees bent, then go into the next rep.
Form cues
  • Land quiet and controlled
  • Keep your chest lifted
Common mistakes
  • Letting your knees cave in
  • Landing with stiff legs
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
Split Squat
Split Squat8x each side
How to

A staggered-stance squat that trains your quads, glutes, and balance one leg at a time.

  1. Stand in a long split stance with your front foot flat.
  2. Keep your chest tall and bend both knees to lower down.
  3. Lower until your front thigh is near parallel, if comfortable.
  4. Press through your front foot to stand back up.
  5. Finish your reps, then switch legs.
Form cues
  • Keep your front knee tracking over your toes.
  • Stay tall through your torso.
Common mistakes
  • Letting your front heel lift off the floor.
  • Pushing your front knee far inward.
Mini Band Lateral Walk
Mini Band Lateral Walk20 sec
How to

A side-to-side band walk that trains your glutes and hips.

  1. Place a mini band above your knees or ankles.
  2. Sit back slightly and keep tension on the band.
  3. Step sideways with control, then bring the other foot in.
  4. Keep walking for your set distance or reps.
Form cues
  • Keep your knees pushed out
  • Stay low and keep tension on the band
Common mistakes
  • Letting your feet come too close together
  • Rolling your knees inward
Plank
Plank30 sec
How to

A core hold that trains your abs, shoulders, and glutes while you keep a straight body line.

  1. Place your forearms on the floor with elbows under shoulders.
  2. Step both feet back and lift into a straight line from head to heels.
  3. Brace your abs and squeeze your glutes.
  4. Hold the position and breathe steadily.
  5. Lower your knees to the floor to finish.
Form cues
  • Keep your ribs pulled down
  • Push the floor away
Common mistakes
  • Letting your hips sag
  • Lifting your hips too high
3 rounds · 15 sec rest

Speed Finisher & Cool-Down

Short sprints for speed, then easy breathing to recover.

Walk
Walk10 sec
How to

A simple walking movement that trains your legs and builds steady full-body rhythm.

  1. Stand tall with your feet under your hips.
  2. Step forward with one foot and roll from heel to toe.
  3. Swing the opposite arm naturally as you step.
  4. Push off your back foot and step forward with the other foot.
  5. Keep alternating steps at a steady pace.
Form cues
  • Stand tall
  • Let your arms swing naturally
Common mistakes
  • Looking down the whole time
  • Taking steps that feel too long
Sprint
Sprint10 sec
How to

A fast run that trains your legs, hips, and cardio power.

  1. Stand tall with feet hip-width and eyes forward.
  2. Lean slightly from your ankles and drive one knee up.
  3. Push the ground back hard and swing your arms cheek to hip.
  4. Run fast with quick, powerful steps for the set distance or time.
  5. Slow down gradually after the sprint.
Form cues
  • Stay tall and relaxed.
  • Drive arms straight forward and back.
Common mistakes
  • Overstriding far in front of your body.
  • Tensing your shoulders or jaw.
6 rounds · 30 sec rest
Multi-Planar Power From the Ground Up

Multi-Planar Power From the Ground Up

Skater Jumps and Split Squats target single-leg stability and glute medius strength—the exact force-production asymmetries that separate athletic movers from average ones. Squat Jumps recruit fast-twitch Type II fibers through explosive triple extension, while Mini Band Lateral Walks pre-activate hip abductors that anchor every cutting and sprinting movement.

What Young Athletes Actually Need Most

What Young Athletes Actually Need Most

Youth athletic development isn't about sport-specific drills—it's about building a broad motor skill foundation before movement patterns calcify. Coordination deficits at this stage compound into injury risk later, so Inchworms and High Knees train dynamic hamstring flexibility and hip flexor rhythm under load, two qualities that directly determine sprint mechanics and landing control.

RAMP Protocol Meets Neural Readiness

RAMP Protocol Meets Neural Readiness

The Warm-Up follows RAMP sequencing—Raise, Activate, Mobilize, Potentiate—so the nervous system is primed before the Squat Jumps and Sprints demand maximal output. As athletes adapt, increase Sprint repetitions or add a 2-second pause at the bottom of each Split Squat to progressively overload without adding session length.

Intermediate Youth Athletic Development | Mighty Nimble | Mighty Nimble