Introduction
You may have heard of the terms ‘mobility’ and ‘flexibility’ or seen your coach put it into your prep work. Many athletes use the terms mobility and flexibility interchangeably, but there are some major differences between the two terms. While both contribute to better movement, performance, and injury prevention, each plays a key role in how the body functions on the field or the court. Understanding the difference between mobility and flexibility can help you move more efficiently, train harder, and reduce your risk of injury.
In this article, we’ll explore what mobility and flexibility are, why both matter and how you can implement both into your training routine.
What Is Flexibility?
Flexibility refers to the ability of a muscle or muscle group to lengthen passively through a range of motion. Some examples of flexibility include touching your toes, performing a kneeling hamstring stretch or a standing quad stretch.
Benefits of Flexibility
- Reduces muscle tightness
- Helps restore normal muscle length after training
- May reduce post-exercise stiffness
Being flexible doesn’t necessarily mean you can automatically move well. An athlete may have excellent muscle length but still struggle to control movement through that range.
What Is Mobility?
Definition
Mobility is the ability to actively move a joint through its full range of motion. Examples of mobility include deep squat mobility, 90/90 hip mobility and dowel shoulder mobility.
Benefits of Mobility
- Improves movement quality
- Enhances athletic performance
- Supports healthy joint function
- Reduces movement restrictions
- Helps athletes generate and transfer force efficiently
Mobility vs Flexibility: What’s the Difference?
Flexibility gives you access to range, while mobility allows you to use that range effectively during sport and exercise.
Why Do Athletes Need Both?
Athletic performance depends on more than simply being able to move further. Athletes must be able to control movement under speed, load and fatigue.
Better Movement Efficiency
When mobility and flexibility work together, running mechanics become smoother, lifting technique improves, energy is transferred more effectively through the body and compensatory movement patterns are reduced. All this means there is less wasted energy and better overall performance.
This means less wasted energy and better overall performance.
Improved Joint Health
Healthy joints rely on regular movement through their available range.
Good mobility promotes joint lubrication, supports healthy cartilage function, distributes forces more evenly across joints and reduces excessive stress on surrounding tissues.
Enhanced Performance
Without adequate mobility, athletes may struggle to express their strength, speed, and power effectively.
Reduced Injury Risk
Restrictions in mobility or flexibility can alter movement mechanics and increase stress on muscles, tendons, and joints.
Common examples include limited ankle mobility contributing to knee pain, poor hip mobility affecting lower back function or restricted shoulder mobility increasing injury risk during overhead sports. While no intervention can completely prevent injuries, improving movement quality can help reduce that unnecessary strain on the body.
Signs You May Need to Improve Mobility:
Athletes often benefit from mobility work if they experience:
- Stiffness during warm-ups
- Difficulty reaching full depth in squats
- Poor overhead movement
- Recurrent muscle tightness
- Joint discomfort during training
- Compensations or asymmetries during movement
How to Improve Mobility and Flexibility?
Adding in just 10-15 minutes of targeted mobility work 2-3 times per week can produce significant improvements over time.
Ask any of our SRA coaches for an individualised mobility circuit to add into your training routine the next time you’re in the gym!
Conclusion
Flexibility and mobility are complementary components of athletic performance.
Flexibility helps create range of motion, while mobility allows athletes to control and utilise that range effectively. Together, they support better joint health, more efficient movement, improved performance and help keep you injury free throughout the season.
Make sure to speak to our coaches and expert medical team, who are more than happy to provide assistance or ask any questions you may have in regards to mobility or flexibility!
References
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Page, P.. (2012). Current concepts in muscle stretching for exercise and rehabilitation. International Journal of Sports Physical Therapy, 7(1), 109–119.
Cook, G.. (2010). Movement: Functional movement systems: Screening, assessment, and corrective strategies. On Target Publications.
Kisner, C., Colby, L. A., & Borstad, J.. (2017). Therapeutic exercise: Foundations and techniques (7th ed.). F.A. Davis.
Behm, D. G., & Chaouachi, A.. (2011). A review of the acute effects of static and dynamic stretching on performance. European Journal of Applied Physiology, 111(11), 2633–2651.
McGill, S. M.. (2016). Low back disorders: Evidence-based prevention and rehabilitation (3rd ed.). Human Kinetics.
National Strength and Conditioning Association. (2021). Essentials of strength training and conditioning (4th ed.). Human Kinetics.