Hamstring injuries are a common and disabling injury that frequently happen when playing ball sports or running. The hamstrings are a group of three muscles located at the back of your thigh. They function to extend the hip and bend the knee, playing crucial roles in everyday movement, walking, running, and jumping.
Understanding Hamstring Injuries
These injuries rank among the most prevalent in both recreational and professional sports contexts, including rugby, football, soccer, and athletics. Despite advances in sports medicine, hamstring injuries continue to plague athletes at all levels, often leading to significant time away from sport and a high rate of recurrence.
Common Symptoms
If you've strained your hamstring, you may experience:
- Pain in the back of the thigh: Particularly noticeable during walking, running, or climbing stairs
- Tenderness: When touching or pressing on the affected muscle
- Altered gait: You may find yourself limping or walking differently to avoid pain
- Reduced strength: Difficulty with activities that require knee bending or hip extension
Why Do Hamstring Injuries Happen So Frequently?
Multiple factors contribute to the high prevalence of hamstring injuries:
Eccentric Weakness
Hamstrings are particularly vulnerable during the eccentric phase—when the muscle lengthens whilst contracting. This occurs during the late swing phase of running when the hamstring must control and decelerate the leg before foot strike.
Ignored Warning Signs
Minor hamstring tightness or discomfort often serves as a warning signal that the muscle is under stress. Ignoring these early signs and continuing to train can lead to more serious injury.
Inadequate Warm-Up
Static stretching alone isn't sufficient. Hamstrings require active, dynamic warm-up routines that prepare them for the demands of sport.
Training Load Management
Excessive high-intensity training, particularly when fatigued, significantly increases injury risk. The hamstrings are especially vulnerable during rapid accelerations, decelerations, and changes of direction when tired.
Biomechanical Factors
Lumbar spine or pelvic dysfunctions can affect hamstring function and loading patterns, predisposing you to injury.
Environmental Factors
Slippery surfaces or poor footwear can increase the demands placed on hamstrings to stabilise and control movement.
Prevention is Key
Research demonstrates compelling evidence for hamstring injury prevention. Studies show that the incidence of hamstring injuries in soccer players can be reduced by about 60% through targeted strengthening programmes, particularly exercises like the Nordic hamstring curl.
The Nordic curl involves eccentric strengthening—the muscle works whilst lengthening, mimicking the action that commonly causes hamstring strains. This exercise builds resilience in the muscle's most vulnerable position.
Hamstring Tendinopathy
Not all hamstring problems are acute strains. Hamstring tendinopathy affects the hamstring tendon where it attaches to the sitting bone (ischial tuberosity) and typically develops gradually over time. Symptoms include:
- Deep pain in the buttock region
- Discomfort when sitting, especially on hard surfaces
- Pain during activities requiring repetitive hamstring engagement, such as running or cycling
Getting Back to Sport Safely
Proper rehabilitation is crucial for preventing re-injury. A comprehensive physiotherapy programme should include:
- Progressive strengthening, particularly eccentric exercises
- Restoration of full range of motion
- Sport-specific functional exercises
- Gradual return to running and training
- Assessment and correction of any biomechanical issues
If you've suffered a hamstring injury or are experiencing hamstring pain, our team at Central Lakes Physio can provide thorough assessment and develop a tailored rehabilitation programme to get you back to full function and prevent future injuries.