Distorsion: Causes, Symptoms and Treatment
A distorsion is a joint injury caused by excessive stretching or twisting, damaging ligaments, tendons, or the joint capsule without fracturing the bone.
Things worth knowing about "Distorsion"
A distorsion is a joint injury caused by excessive stretching or twisting, damaging ligaments, tendons, or the joint capsule without fracturing the bone.
What is a Distorsion?
A distorsion (commonly referred to as a sprain) is a frequent joint injury in which the stabilizing structures of a joint – particularly ligaments, the joint capsule, and surrounding tendons – are overstretched or partially torn due to a sudden, uncontrolled movement. The bony structures typically remain intact. The most commonly affected joints are the ankle, the knee, and the wrist.
Causes
Distorsions occur when a joint is forced beyond its normal range of motion. Common causes include:
- Twisting or rolling the ankle while walking, running, or jumping
- Sports injuries (e.g., soccer, basketball, skiing)
- Tripping or slipping on uneven surfaces
- Falling onto an outstretched hand (wrist injury)
- Traffic accidents or sudden twisting movements
Grades of Severity
Distorsions are classified into three grades based on the extent of tissue damage:
- Grade I: Mild overstretching of ligaments without tearing; minor swelling and pain.
- Grade II: Partial tear of one or more ligaments with noticeable swelling, bruising, and reduced joint stability.
- Grade III: Complete rupture of a ligament with severe swelling, possible bruising, and significant joint instability.
Symptoms
Typical signs and symptoms of a distorsion include:
- Sudden, localized pain at the affected joint
- Swelling and edema formation
- Bruising (hematoma) around the joint
- Warmth and redness of the skin
- Restricted range of motion and pain on weight-bearing
- Feeling of instability in the joint (especially in Grade II and III)
Diagnosis
The diagnosis of a distorsion is primarily clinical and may include:
- Medical history: Description of the mechanism of injury and symptoms
- Physical examination: Palpation, stability tests, and range of motion assessment
- X-ray: To rule out a bone fracture
- Ultrasound or MRI: For suspected significant ligament damage to assess soft tissue structures in detail
Treatment
Immediate first aid for a distorsion follows the RICE protocol:
- Rest: Protect and rest the injured joint
- Ice: Apply ice or a cold pack (not directly on the skin; max. 20 minutes)
- Compression: Apply a compression bandage to reduce swelling
- Elevation: Elevate the injured limb to promote lymphatic drainage
Depending on the severity, additional treatment measures may include:
- Pain-relieving and anti-inflammatory medications (e.g., ibuprofen, diclofenac)
- Stabilizing bandages, splints, or orthotic braces
- Physiotherapy to restore mobility and joint stability
- Surgical repair in cases of complete ligament rupture (Grade III) when indicated
Prognosis and Prevention
Mild distorsions typically heal completely within days to a few weeks. Severe injuries may require several weeks to months of rehabilitation. Preventive measures include:
- Targeted muscle strengthening exercises to stabilize joints
- Proprioceptive training (balance training)
- Appropriate footwear and sports braces when necessary
- Proper warm-up before physical activity
References
- Petersen, W. & Rembitzki, I.: Ankle Sprains – Pathophysiology, Diagnosis and Treatment, Open Access Journal of Sports Medicine, 2019.
- Kerkhoffs, G. M. et al.: Diagnosis, Treatment and Prevention of Ankle Sprains, British Journal of Sports Medicine, 2012.
- World Health Organization (WHO): International Classification of Diseases (ICD-11), 2022. Available at: https://icd.who.int
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