Keeping Your Hamstrings Healthy: A Guide to Injury Prevention
Hamstring injuries are a common issue for athletes and active individuals alike, often leading to frustrating time off and a lengthy recovery process. But what if there was a way to significantly reduce your risk? Incorporating a few key strategies into your routine can help keep those powerful hamstrings healthy and ready for action.
Let’s dive into the most effective methods for hamstring injury prevention:
1. High-Intensity Running: Don’t Shy Away from Speed
While it might seem counterintuitive, regularly engaging in running at an intensity of at least 80% of your maximum is a powerful preventative measure. High-speed running helps maintain fascicle lengthening within the hamstring muscles. Longer muscle fascicles are more resilient and less prone to injury during rapid movements. Essentially, sprinting is the most sport-specific way to “stretch” and strengthen the muscle at the same time. Hamstring injuries typically occur in the last 20-30 degrees of knee extension when sprinting.
2. Oscillatory Training: The Art of the “On-Off” Switch
One of the most overlooked aspects of performance and prevention is how quickly a muscle can relax and contract. Oscillatory training involves performing very small (5–10 cm), high-speed “pulses” or “vibrations” at specific joint angles.
- Why it works: It trains the nervous system to flip the “on-off switch” faster. This improves your rate of force development (how quickly you can contract) and, more importantly, reciprocal inhibition (how quickly the hamstring can relax when the quadriceps contract).
3. Strengthening: Isometric, Isotonic, and Eccentric
Your hamstrings benefit from a variety of strength training methods:
- Isometric: Holding a muscle contraction without movement (e.g., a single-leg bridge hold). These build strength at specific joint angles and are great for tendon health.
- Isotonic: Traditional movement through a range of motion (e.g., lying leg curls).
- Eccentric Strengthening: This is arguably the most crucial. It focuses on strengthening the muscle as it lengthens under tension. Because most hamstring injuries occur when the muscle is overstretched while trying to slow down the leg, training this “braking” ability is vital.
- Asymmetry differences or weakness in general can put at higher risk of injury during season as well.
4. The Nordic Hamstring Curl
If there’s one exercise to highlight, it’s the Nordic Hamstring Curl. This is the gold standard for eccentric strengthening. Research consistently shows that teams incorporating Nordics see a massive drop in hamstring strain rates. Start by slowly lowering your torso toward the floor from a kneeling position, using your hamstrings to resist gravity as long as possible.
5. Tissue Care: Mobilization and Stretching
- Self-Soft Tissue Mobilization: Using tools like foam rollers or massage balls can help address unnecessary muscle tension and improve blood flow. It makes the tissue more pliable and ready for the demands of high-speed work.
- Dynamic and Static Stretching: Use dynamic stretches before your workout to prepare the muscle. Save the static stretching for after your session to restore length and calm the nervous system.
Author: Travis Stafford DPT, CSCS, Sports Performance Specialist
Leave a Reply