The Role of Muscle Stretching for Pain & Injury Prevention
19/02/2025
The role of muscle stretching for pain & injury prevention
Muscle stretching has long been a staple in physical rehabilitation, fitness routines, and sports training. While it is widely recognised for improving flexibility and range of motion (ROM), its role in pain and injury management remains an area of emerging interest. Recent research highlights some intriguing insights into how acute and chronic stretching might influence pain, shedding light on potential mechanisms and practical applications. The following summarises:
Firstly, what is stretching?
Muscle stretching is a physical activity that involves lengthening contractile tissue, primarily muscle fibers, by moving their attachment points away from each other without causing pain or injury.
What are the two main types of stretching?
When to stretch pre or post exercise?
- Pre-Exercise Static Stretching: There is little evidence that pre-exercise static stretching significantly reduces the overall risk of injuries. However, it may decrease the risk of musculotendinous injuries, particularly in sports involving running.
- Chronic Static Stretching: Regular static stretching appears to have a more pronounced effect post-exercise, moderately reducing muscle injury risks over time. This suggests that incorporating static stretching into long-term training plans may be more effective than relying solely on pre-exercise routines.
- Dynamic Stretching: Current evidence does not support a clear link between dynamic stretching and a reduction in injury risk. While dynamic stretching can enhance performance and flexibility, its specific role in preventing injuries remains inconclusive.
What is acute and chronic stretching?
What are the acute effects of stretching?
Studies exploring the immediate effects of muscle stretching on pain suggest a promising trend: stretching can reduce pain in the short term. This pain relief may be attributed to mechanisms such as:
- Gate Control Theory: Stretching stimulates sensory nerve fibers, which can “close the gate” to pain signals being transmitted via the spinal cord to the brain.
- Diffuse Noxious Inhibitory Control (DNIC): Engaging in stretching could activate the body’s endogenous pain modulation systems, reducing the perception of pain.
- Myofascial Chain Meridians: Stretching along specific fascial lines might relieve tension and pain through interconnected pathways within the body.
How can chronic stretching help with pain reduction?
The evidence for the benefits of chronic stretching on pain is more robust. Regular stretching over weeks or months has been shown to:
- Enhance sensory (pain) tolerance: Making individuals less sensitive to pain stimuli.
- Improve muscle flexibility and function: Potentially reducing mechanical stress that contributes to pain.
Chronic stretching can be a valuable tool for managing various types of pain, including chronic musculoskeletal and inflammatory conditions such as low back pain and osteoarthritis.
How does stretching help toward Delayed-Onset Muscle Soreness (DOMS)?
DOMS is often experienced 24-48 hours after unaccustomed or eccentric exercise, which is a common concern among active individuals. Research suggests:
- Acute stretching: Does not significantly alleviate DOMS.
- Chronic stretching: Conducted in the weeks leading up to DOMS-inducing activities shows moderate positive effects in reducing muscle soreness.
Practical recommendations for stretching
Given the current evidence, stretching can be a useful adjunct for individuals experiencing pain, provided it is tailored to their specific needs and health condition. Key considerations include:
- Acute pain: Use gentle stretching to activate pain modulation systems without worsening symptoms (working within your own limits).
- Chronic pain (3+ months of pain): Implement a regular stretching routine to improve sensory tolerance and functional outcomes for a minimum of 3-6 weeks, 2-3 times per week, with 5-20 repetitions each held for 30 seconds.
- DOMS prevention: Incorporate stretching programs approximately 3-6 weeks in advance to prepare for intense and/or unaccustomed physical activity (e.g., a long bush walk or a new exercise regime).
Where do I start?
If you’re unsure where to start with a stretching routine, consider having a chat with Craig. He can help identify areas of your body that may benefit from a prescriptive stretching plan based on the type of exercise and lifestyle you have. Whether you’re looking to improve physical performance, alleviate stiffness, or simply enhance your quality of life, Craig can tailor a routine to suit your specific needs and goals.
References
- Behm, D. G., Kay, A. D., Trajano, G. S., Alizadeh, S., & Blazevich, A. J. (2021). Effects of acute and chronic stretching on pain control. Journal of Clinical Exercise Physiology, 10(4), 150-159.
- Behm, D. G., Kay, A. D., Trajano, G. S., Alizadeh, S., & Blazevich, A. J. (2021). Effects of stretching on injury risk reduction and balance. Journal of Clinical Exercise Physiology, 10(3), 106-116.
- Król, M., Kupnicka, P., Bosiacki, M., & Chlubek, D. (2022). Mechanisms underlying anti-inflammatory and anti-cancer properties of stretching—a review. International Journal of Molecular Sciences, 23(17), 10127.
- Silva, A. W. V., Santos, W. R., & Santos, W. R. (2024). The benefits of physical exercise for healthy aging. RBPFEX-Revista Brasileira de Prescrição e Fisiologia do Exercício, 18(115), 267-272.