7 Plyometrics for Speed and Power

Strength training builds the engine, but speed and power come from how fast that engine can fire. An athlete can be strong in the weight room and still feel slow on the field if the nervous system and tendons cannot express that strength quickly. Plyometrics close that gap. By teaching the body to absorb force and redirect it explosively, jump training improves acceleration, top speed, and the ability to change direction on a dime. For trainers, plyometrics are one of the most powerful tools available, and also one of the easiest to prescribe badly. This guide breaks down the science, the safety rules, and seven exercises you can put to work with the right client at the right time.

What Are Plyometrics?

Plyometrics are high-intensity, explosive movements that develop power by combining strength with speed. The category traces back to the jump-based methods used by Eastern European track and field programs in the twentieth century, later adopted and named by coaches in the United States. In practice, a plyometric is any exercise where a muscle is rapidly stretched (the eccentric phase) and then immediately shortened (the concentric phase) to produce a forceful movement, most often a jump, hop, or bound.

The defining feature is speed. A slow, grinding squat jump with a long pause at the bottom is not truly plyometric. The value lives in the rapid transition between lowering and exploding, which is where the body learns to generate and redirect force efficiently.

The Stretch-Shortening Cycle

The stretch-shortening cycle, or SSC, is the engine behind every plyometric. It has three phases:

• Eccentric phase: the muscle lengthens under load and stores elastic energy in the muscle and tendon, much like stretching a spring. Think of the dip just before a jump.
• Amortization phase: the brief transition between lengthening and shortening. This is the make-or-break moment. The shorter this phase, the more stored energy is reused rather than lost as heat.
• Concentric phase: the muscle shortens forcefully, releasing the stored elastic energy on top of the active muscle contraction to produce a powerful movement.

A short, snappy amortization phase is the whole point. When ground contact time drops and the transition stays quick, the athlete recycles more elastic energy and moves more explosively. This is why coaching cues that emphasize quick, quiet, springy contacts matter so much.

Why Plyometrics Build Speed and Power

Power is the ability to apply force quickly, and speed is largely a downstream expression of power. Plyometrics train several qualities that translate directly to faster athletes.

Improved Rate of Force Development

Sprinting and jumping do not give the body much time to produce force. Ground contact during a sprint is a fraction of a second. Plyometrics train the nervous system to recruit fast-twitch muscle fibers rapidly, improving how much force an athlete can generate in that tiny window. During maximal sprinting, ground contact lasts only about 80 to 120 milliseconds (0.08 to 0.12 seconds) per step, so the ability to produce force quickly is decisive.

Better Reactive Strength and Agility

Because plyometrics train the SSC directly, they reduce ground contact time and improve reactive strength, which is the ability to switch quickly from absorbing force to producing it. That carries over to accelerating, decelerating, and cutting, the building blocks of agility.

A Bridge From Strength to Speed

Heavy strength work builds maximal force capacity, but it does not automatically make that force fast. Plyometrics act as the bridge, teaching the body to express strength at high velocity. Pairing strength training with plyometric work tends to produce better speed outcomes than either method alone.

A Complement to Sprint Work

Layering plyometrics onto sprint training reinforces explosive fast-twitch recruitment and helps sprinters carry more force into each stride. The two methods reinforce one another rather than compete.

Safety and Prerequisites

Plyometrics are high-force movements, so screening and preparation come first. Rushing a deconditioned client into depth jumps is a fast route to sore knees or worse.

• Build a strength base first. Clients should demonstrate solid lower-body strength and control before advancing to intense plyometrics. A commonly cited readiness guideline suggests a client can squat a meaningful percentage of body weight before high-intensity jumps, though standards vary.
• Master landing mechanics before takeoff. Teach clients to land softly on the balls of the feet, roll toward the heels, and keep the knees soft and tracking over the toes. Never let the knees cave inward or lock out on landing.
• Use appropriate surfaces and footwear. Train on a forgiving surface such as a rubber gym floor or grass, and use supportive, cushioned shoes. Avoid hard concrete for high-volume jumping.
• Progress gradually. Start with low-intensity, low-amplitude drills and small volumes, then increase height, distance, and complexity over time.
• Respect recovery. Plyometrics are neurally and mechanically demanding. Two sessions per week with adequate rest between them is a sensible starting point for most clients.
• Stop for pain. Joint pain is a signal to stop and reassess, not to push through.

Any client with a current injury, acute joint pain, or a relevant medical history should be cleared by a qualified professional before beginning plyometric training.

The 7 Plyometric Exercises

Introduce these roughly in order of demand, and only progress a client once they own the movement with clean, quiet landings.

1. Jump Squats

Start in an athletic squat with feet about shoulder-width apart. Descend into a quarter to half squat, then explode straight up until the legs fully extend and the feet leave the floor. Swing the arms upward to add lift. Land softly back into the squat position with soft knees, then repeat. Keep the chest tall and the landings quiet. This is a foundational plyometric that teaches triple extension of the hips, knees, and ankles.

2. Box Jumps

Set a sturdy box or platform at a manageable height, then progress upward as skill improves. Start in an athletic stance a short distance from the box, dip and swing the arms, then jump onto the top of the box, landing softly in a partial squat with both feet flat. Stand tall to finish, then step down rather than jumping down to protect the joints. Box jumps train explosive concentric power while limiting landing stress, since the athlete lands at box height rather than absorbing a full drop.

3. Depth Jumps

Depth jumps are an advanced, true SSC exercise and belong only with well-prepared clients. Stand on a low box, step off (do not jump off), and on landing, immediately spring back up as high as possible with the shortest possible ground contact. The goal is a fast, reactive bounce, not a big collapse into the floor. A defensible starting box height is about 20 to 30 cm (8 to 12 inches); start low, since a taller box increases landing forces without improving stretch-shortening efficiency, and prioritize a snappy amortization phase over jump height.

4. Tuck Jumps

From a standing athletic position, jump vertically and drive both knees up toward the chest, then extend the legs to land softly and immediately jump again. Tuck jumps demand significant explosive power and coordination and raise the heart rate quickly. Cue clients to bring the knees to the chest rather than the chest to the knees, which keeps the torso upright and the landings controlled.

5. Jumping Lunges

Begin in a lunge with both knees bent near ninety degrees and the torso upright. Explode upward, switch the position of the legs in the air, and land in a lunge with the opposite foot forward. Continue alternating with control. Jumping lunges build single-leg power and stability, which carries directly to running and change of direction. Reduce the depth or tempo for clients still developing control.

6. Hurdle Hops

Set a row of low hurdles a comfortable distance apart. Standing before the first hurdle with knees slightly bent, hop over each hurdle in succession using a quick, springy double-leg takeoff and landing. Emphasize minimal ground contact between hurdles and a tall, stable torso. Start with lines on the floor or very low hurdles and progress in height as reactive strength improves. Hurdle hops train repeated, rhythmic power and are excellent for sport preparation.

7. Ankle Jumps

Ankle jumps are small, rapid hops driven almost entirely by the ankles and calves, with the knees and hips kept relatively stiff. Bounce repeatedly off the balls of the feet, keeping ground contact fast and light, like a jump rope without the rope. Progress by hopping over a small line, moving side to side, or alternating feet. Ankle jumps build lower-leg stiffness and reactive ability, which is especially valuable for runners and sprinters who rely on efficient ground contact.

How to Program Plyometrics

Plyometrics are best trained when the athlete is fresh, so they typically come early in a session after a thorough warm-up, before heavy strength work or long conditioning fatigues the nervous system. Because they are high in quality demand and low in productive volume, more is not better.

A practical starting framework for most clients:

• Frequency: two sessions per week, with at least forty-eight hours between them, alongside regular strength and conditioning work.
• Volume: count foot contacts rather than sets. As a rough guide, beginners can start with about 80 to 100 quality contacts per session, intermediate athletes 100 to 120, and advanced athletes 120 to 140, building over time. These ranges should be weighed alongside exercise intensity, training status, body size, and goals rather than treated as an isolated prescription.
• Reps and sets: low reps done explosively, for example 3 to 6 reps for 2 to 4 sets per exercise, with full recovery between sets so quality stays high.
• Rest: rest long enough to keep every rep crisp, often one to three minutes between sets for intense drills. Fatigued plyometrics lose their training effect and raise injury risk.
• Progression: advance load in this rough order: master mechanics, add volume, add height or distance, then add complexity or reactive demand such as depth jumps.

Sample Progression by Level

• Beginner: jump squats, box jumps to a low box, ankle jumps. Focus on landing mechanics and low volume.
• Intermediate: add tuck jumps, jumping lunges, and hurdle hops as reactive strength develops.
• Advanced: introduce depth jumps and higher-amplitude, reactive drills, still at controlled volume.

Always progress one variable at a time, and treat clean, quiet, well-controlled landings as the true marker of readiness to advance.

Coach Explosive Athletes With Confidence

Programming power the right way, matching the exercise to the athlete, and knowing when to progress or pull back, is exactly the skill set that separates good trainers from great ones. If you want to master power development, periodization, and athletic program design, the ISSA Strength and Conditioning certification gives you the science and the practical coaching tools to build faster, more powerful clients safely.