What is Posterior Interosseous Nerve Syndrome (PINS)?
PINS is the name given to compression of the posterior interosseous nerve (PIN) – a branch of the radial nerve – as it travels through the lateral (outside) aspect of the elbow. It differs from Radial Tunnel Syndrome in that the compression is severe enough to cause motor loss to the muscles in the forearm and fingers that are innervated by the PIN. The most common causes of PIN syndrome include benign tumours (most commonly lipomas and ganglia), peri-elbow synovitis associated with rheumatoid arthritis, septic arthritis of the elbow, synovial chrondromatosis or vasculitis. PIN Syndrome typically presents as pain in the forearm and wrist with weakened wrist, finger and thumb extension movements. In severe cases it can present as dropped fingers and thumb and may be accompanied with atrophy (muscle wasting) of the forearm muscles if left unresolved.
PIN Syndrome may be confused with Radial Tunnel Syndrome or Lateral Epicondylitis.
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Headaches & Migraines
Shoulder Pain
Elbow Pain
- Ulnar Collateral Ligament Sprain/Strain
- Radial Head Subluxation (Nursemaid’s Elbow)
- Radial Collateral Ligament Sprain/Strain
- Posterior Impingement Syndrome
- Osteochondrosis (Panner’s Disease)
- Olecranon Bursitis (Miner's Elbow)
- Medial Epicondylitis (Golfer's Elbow)
- Little League Elbow Syndrome
- Lateral Epicondylitis (Tennis Elbow)
- Joint Hypermobility Syndrome
- Elbow Joint Dysfunction
Finger and Thumb Pain
Wrist Pain
- Wrist Tendinopathy
- Wrist Ganglions
- Ulnar Tunnel Syndrome (Guyon’s Canal Syndrome)
- Triquetrolunate Dissociation
- Triquetrohamate Instability
- Triangular Fibrocartilage Complex Injury
- Superficial Radial Nerve Compression (Cheiralgia Paresthetica/Wartenberg’s Syndrome)
- Scapholunate Dissociation
- Scaphoid Fracture
- Radial Tunnel Syndrome
- Pronator Teres Syndrome
- Posterior Interosseous Nerve Syndrome (PINS)
- Kienbock’s Disease
- Intersection Syndrome
- Hook of Hamate Fracture
- Dorsal Impaction Syndrome
- De Quervain’s Tenosynovitis
- Cubital Tunnel Syndrome
- Carpal Tunnel Syndrome
- Anterior Interosseous Syndrome
Knee Pain
- Tibial Plateau Fractures
- Tennis Leg
- Proximal Tibial-Fibular Subluxation/Dysfunction
- Posterior Cruciate Ligament (PCL) Injury
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- Pes Anserine Bursitis/Tendinitis
- Patellofemoral Pain Syndrome (Runner’s Knee)
- Patellofemoral Arthralgia (Chondromalacia Patellae)
- Patellar Tendinitis (Jumper’s Knee)
- Patellar Dislocation and Subluxation
- Osteochondritis Dissecans (OCD) of the Knee Joint
- Osteoarthritis of the Knee Joint
- Osgood-Schlatter Disease
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- Medial Collateral Ligament (MCL) Injury
- Lateral Collateral Ligament (LCL) Injury
- Knee Joint Dysfunction
- Iliotibial Band Syndrome
- Anterior Cruciate Ligament (ACL) Injury
Head And Neck Pain
- Whiplash Injury (Hyperflexion/Hyperextension Injury)
- Torticollis (Wry Neck)
- Thoracic Outlet Syndrome
- Temporomandibular Joint Dysfunction (TMJ Disorder)
- Herniated Cervical Disc
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- Cervical Radiculopathy
- Cervical Facet Syndrome
Back Pain
- Transient-Structural Scoliosis (Sciatic Scoliosis)
- Thoracic Segmental Joint Dysfunction
- T4 Syndrome (Upper Thoracic Syndrome)
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- Shingles (Herpes Zoster Virus)
- Scheuermann’s Disease
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- Kyphosis
- Juvenile Scoliosis
- Infantile Scoliosis
- Compression Fracture
- Adult Scoliosis
Lower Back Pain
- Spondylolisthesis
- Sacroiliac Joint Dysfunction
- Sacroiliac Injury
- Reactive Arthritis (Reiter’s Syndrome)
- Mechanical Low Back Pain
- Lumbosacral Injury
- Lumbar Spondylolysis
- Lumbar Spinal Stenosis (Lumbar Canal Stenosis)
- Lumbar Segmental Joint Dysfunction
- Lumbar Facet Syndrome
- Lumbar Disc Herniation
- Ankylosing Spondylitis
- Abdominal Aortic Aneurysm
Hip, Groin and Thigh Pain
- Trochanteric Pain Syndrome
- Trochanteric Bursitis
- Traumatic Hip Dislocations
- Transient Synovitis
- Stress Fractures (Neck of Femur Fracture)
- Snapping Hip Syndrome
- Slipped Capital Epiphysis (Adolescent Coxa Vara)
- Rheumatoid Arthritis of the Hip Joint
- Quadriceps Muscle Strain/Quadriceps Muscle Tear
- Paget’s Disease
- Osteoarthritis of the Hip Joint
- Osteitis Pubis
- Muscle Contusions/Myositis Ossificans
- Meralgia Paresthetica
- Leg-Calve-Perthe’s Disease (Avascular Necrosis of the Hip)
- Ischial Bursitis
- Iliopectineal Bursitis and Iliopsoas Bursitis
- Hip Fractures
- Hamstring Muscle Injury
- Femoroacetabular Impingement
- Congenital Hip Dislocation (Congenital Hip Dysplasia)
- Adductor Muscle Injury
- Acetabular Labrum Tears