Tendon problems Flashcards
What is the definition of tendinopathy?
Disease of a tendon
What is the definition of tendinitis?
Inflammation of a tendon
What is the definition of tendinosis?
Chronic tendon injury with cellular damage
What is the definition of tenosynovitis?
Inflammation of the tendon sheath
What is the definition of enthesopathy?
Inflammation of the tendon origin/insertion into bone
What is a tendon?
Structure which anchors muscle to bone
What type of collagen composes a tendon?
Type 1
What is the predominant cell type of a tendon?
Fibroblast
What is the structure of a tendon?
Microfibrils > Subfibrils > Fibrils > Fascicle > Endotendon > Epitendon
Which three sources does the blood supply of a tendon come from?
Perimyseum
Periosteal insertion
Paratendon
Which intrinsic factors contribute to the development of tendinopathy?
Age Gender Rheumatoid arthritis Leg length discrepancy Mal-alignment Obesity Pes cavus
Which extrinsic factors contribute to the development of tendinopathy?
Trauma Injury Steroids Antibiotics Sports
What is the principle management for most tendinopathies?
Rest
Analgesia
Anti-inflammatories
Which tendinopathies might warrant injections? What type of injection?
Tennis elbow (lateral epicondylitis)
Golfer’s elbow (medial epicondylitis)
Rotator cuff injuries
Local anaesthetic and cortisone
Which tendinopathy might warrant splinting?
Achillies tendinopathy
On which tendinopathies must injections not be used? Why?
Extensor knee mechanism problems
Achillies tendinopathy
Risk of rupture too high
What are the types of surgical management that may be indicated for certain tendinopathies?
Debridement
Decompression
Synovectomy
Tendon transfer
For which pathologies might decompression surgery be indicated?
Supraspinatus tendonitis
Subacromial depression
What does synovectomy prevent?
Rupture
For which pathologies might synovectomy be useful?
Extensor tendons of the wrist in rheumatoid arthritis
Tibialis posterior
For which pathologies might tendon transfer be useful?
Tibialis posterior
Extensor pollicus longus
Which types of people tend to develop rotator cuff pathology?
Athletes (throwing events) Manual workers (painters)
How does rotator cuff pathology present?
Gradually developing achy pain of the shoulder
Difficulty sleeping on affected side
Pain when reaching overhead
Pain when lifting items
Shoulder tenderness (glenohumeral and AC joint)
What are the clinical findings with rotator cuff impingement?
Painful arc
Weakness on resistance tests
Positive impingement tests
What are the four muscles of the rotator cuff?
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
Which is the most common muscle to be affected in rotator cuff pathology?
Supraspinatus
How can rotator cuff pathology be managed conservatively?
Rest
Physiotherapy
Steroid & local anaesthetic injections
How can rotator cuff pathology be managed surgically?
Subacromial decompression
Rotator cuff repair
What imaging is used in suspected rotator cuff pathology?
USS
MRI
What are the mechanisms of biceps tendinopathy?
Overuse
Impingement
Instability
Trauma
How does biceps tendinopathy present?
Pain anterior to shoulder radiating to elbow
Pain on shoulder and elbow flexion
Pain forearm pronation
Snapping with shoulder movements
What imaging modality is preferred for biceps tendinopathy?
USS
Which type of people get biceps tendinopathy?
Athletes (throwing events) Manual workers (painters)
How can biceps tendinopathy be managed?
Conservative
Surgical
What are the clinical signs of biceps tendon rupture?
Popeye sign
Extensive bruising
What is the biggest risk with biceps tendinopathy?
Neurovascular injury
20% of lateral epicondylitis’ are bilateral. T/F
True
What is the presentation of lateral epicondylitis?
Pain and tenderness over the lateral epicondyle at origin of forearm extensors
Pain worse when stretching muscles
What are the investigations used in lateral epicondylitis?
USS
MRI
Nerve conduction study
How is lateral epicondylitis managed?
Rest Physiotherapy Activity modification Orthotics Injection Surgery
What test is positive in lateral epicondylitis?
Mill’s test
How does medial epicondylitis present?
Medial elbow pain at origin of wrist flexors
What is the underlying mechanism which causes epicondylitis?
Repetitive strain
Is medial epicondylitis self limiting?
Yes
What is medial epicondylitis associated with?
Ulnar neuropathy
Muscle weakness
How is medial epicondylitis investigated?
X-ray
MRI
Nerve conduction study
How is medial epicondylitis managed?
Rest Physiotherapy Modify activity Orthotics Injection Surgical release
Which muscles does de quervians tenosynovitis effect?
Abductor pollicus longus
Extensor pollicus brevis
How does de quervians tenosynovitis present?
Pain over radial styloid process
Which test is positive in de quervians tenosynovitis?
Finklestein’s
Which imaging modalities are used to identify de quervians tenosynovitis?
USS
X-ray to rule out CMC osteoarthritis
How is de quervians tenosynovitis managed?
Splinting Rest Physiotherapy Analgesia Injections Surgical decompression
Who gets de quervians tenosynovitis?
Commonly women over 30
What is de quervians tenosynovitis associated with?
Pregnancy
Rheumatoid arthritis
Is an extensor knee mechanism rupture partial or complete?
Either
What is extensor knee mechanism rupture associated with?
Trauma (running/jumping sports)
Antibiotics
Steroids
Diabetes mellitus
What is found on examination with a knee extensor mechanism?
Palpable gap
Inability to straight leg raise
What imaging modalities are used to investigate knee extensor mechanism problems?
X-ray
USS
MRI
How are knee extensor mechanisms treated?
Surgical + physiotherapy
Immobilisation + physiotherapy (small tears only)
What may be seen on the x-ray of someone with a knee extensor mechanism problem?
Effusion
Patella in the wrong place
What is osgood schlatter’s disease?
Inflammation of tendon at insertion of patellar tendon into anterior tibial tuberosity
Who gets osgood schlatter’s disease?
Adolescent active boys
What is Sever’s disease?
Traction apophysitis at insertion of tibialis anterior into os calcis (tarsal bone)
What is traction apophysitis
Inflammation of where tendon attaches to bone due to traction
Is calaneal tendon rupture common?
Yes
What is the mechanism behind calcaneal tendon rupture?
Sudden force (running, jumping)
What is calcaneal tendon rupture associated with?
Rheumatoid arthritis
Steroids
Tendonitis
What are the clinical findings with calcaneal tendon rupture?
Palpable gap
Unable to tiptoe stand
Bruising
Which test is positive in calcaneal tendon rupture?
Simmond’s
Which imaging modalities are used in calcaneal tendon rupture?
USS
MRI
How are calcaneal tendons treated?
Plaster cast
Surgery