Plyometrics: Power, Agility & Coordination
Plyometric training uses rapid stretching and shortening of the muscle-tendon system to develop explosive force and improve the ability to absorb and redirect force. Jumping, hopping, bounding, and selected throwing drills can all be plyometric when they are performed with the speed and intent that use the stretch-shortening cycle.
Key Takeaways
- Plyometrics train the stretch-shortening cycle: a rapid eccentric action followed by a short transition and concentric action.
- They can develop power, rate of force development, reactive strength, and movement skill.
- Not every fast foot drill is truly plyometric; some drills are better classified as agility, coordination, or running drills.
- Quality, landing control, appropriate progression, and recovery matter more than accumulating large numbers of jumps.
The Stretch-Shortening Cycle
Many athletic actions include three closely linked phases:
- Eccentric loading: the muscle-tendon system lengthens while absorbing force.
- Amortization: a brief transition between loading and propulsion.
- Concentric action: the system shortens and produces force to jump, hop, throw, or change direction.
When the transition is quick and well controlled, stored elastic energy and neural mechanisms can contribute to powerful movement. Ground-contact time and technique help distinguish reactive plyometrics from ordinary strength exercises.
Common Plyometric Categories
Jumps
Two-leg movements such as squat jumps, countermovement jumps, broad jumps, and box-jump variations can emphasize vertical or horizontal power.
Hops
Single-leg takeoff and landing increase unilateral demand. Hops can be performed in place, forward, lateral, or over small obstacles depending on experience.
Bounds
Bounding uses exaggerated alternating-leg contacts and can connect force production to running-specific movement patterns.
Drop and Rebound Drills
More advanced exercises such as depth jumps place greater emphasis on rapid force absorption and reversal. They should be earned through progression rather than used simply because they look athletic.
What Plyometrics Can Develop
- Power: the ability to produce force quickly.
- Rate of force development: how rapidly force can rise.
- Reactive strength: the ability to absorb and redirect force with short ground contacts.
- Landing and deceleration skill: controlling force before producing the next movement.
- Sport-specific transfer: potential improvements in jumping, sprinting, change-of-direction, and running economy when training is appropriately designed.
Plyometrics can support performance, but they do not guarantee injury prevention. They are one training tool within a broader program that includes strength, skill, conditioning, and recovery.
How to Progress Plyometric Training
- Develop basic landing control and strength first.
- Begin with lower-amplitude bilateral jumps and simple patterns.
- Progress volume, speed, height, horizontal distance, unilateral demand, or complexity gradually.
- Use full recovery when the goal is maximum power and movement quality.
- Stop a set when landing quality or explosiveness declines substantially.
Surface, footwear, training age, body mass, sport demands, and recent workload should all influence exercise selection.
For Class
After reading, you should be able to:
- Explain the eccentric, amortization, and concentric phases of the stretch-shortening cycle.
- Differentiate jumps, hops, bounds, and advanced rebound drills.
- Explain why an agility drill is not automatically a plyometric drill.
- Design a logical progression from lower- to higher-demand plyometric exercises.
Used in College Coursework
This article is used as instructional material in Health and Wellness Studies coursework at Binghamton University. It is designed to support class discussion and application rather than replace individualized exercise, medical, or rehabilitation guidance.
Continue the HWS Health & Performance Education Series
About the Author
Matthew Francis Gawors, MBA, is an instructor in Health and Wellness Studies at Binghamton University and a USATF Level 2 coach, personal trainer, wellness coach, triathlon coach, and running specialty professional. This article is part of the HWS Health & Performance Education Series.
