Mobility vs. Flexibility
Flexibility is the length a muscle can achieve passively. You can achieve passive flexibility through stretching.
Mobility is the ability to actively move a joint through full range of motion with control and stability. It requires flexibility, strength, and neural coordination.
For functional movement and joint health, mobility is more important than flexibility alone.
Why Mobility Matters
Restricted mobility causes compensation patterns—other joints take extra stress when one joint can't move optimally. This leads to pain and injury in the compensating joints.
Poor ankle mobility increases knee strain. Limited thoracic spine mobility increases shoulder and lower back stress.
Causes of Restricted Mobility
- Sedentary lifestyle
- Poor posture
- Muscle tightness
- Previous injury and inadequate rehabilitation
- Inflammation
Mobility Improvements
Dynamic stretching through movement improves mobility better than static stretching. Arm circles, leg swings, and movement patterns prepare joints for activity.
Foam rolling releases muscle tightness and improves soft tissue quality, supporting mobility.
Active range of motion exercises strengthen muscles through full movement ranges.
Mobility drills specific to restricted joints target and improve range.
Joint-Specific Focus
- **Hips**: Essential for walking and running; limited hip mobility causes lower back and knee problems
- **Thoracic spine**: Needed for arm and shoulder function
- **Ankles**: Foundation for lower body mechanics
- **Shoulders**: Complex joint requiring multidirectional mobility
Regularly working on these areas prevents compensation injuries.
Consistency and Progression
Mobility improves gradually with consistent work. Perform mobility drills 3-5 times weekly for 5-10 minutes. Progress gradually by increasing range and challenging positions.
Assessment
If severely restricted mobility exists, especially after injury, physical therapy assessment helps identify specific issues and design targeted interventions.
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