Piriformis syndrome is one in which the piriformis muscle situated at the gluteal region of the body applies pressure on the sciatic nerve, causing discomfort, paresthesia, and Paraesthesia along the course of the nerve. The piriformis is a hip-preserving muscle, and any form of inflammation of this muscle is going…
Tag: Musculoskeletal system
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Unhappy Triad of O’Donoghue : Mnemonic
O’Donoghue unhappy triad is occurrence of 3 different soft tissue injuries of knee simultaneously. It includes: Mnemonic: MAM Mechanism: valgus stress with rotation of the knee Later on, more studies emerged showing that injuries in the lateral meniscus were more prevalent than injuries in the medial meniscus. The unhappy triad…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Spondylolisthesis : Summary
Indications for surgery Age group Spondylolisthesis Indications Pediatric Low grade Failure to respond to conservative treatment (9-12 months)Progressive slippageIntractable low back or radicular painNeurological deficit and deterioration High grade Neurological symptomsSevere sagittal plane spinal deformity Adult Low grade Failure of non-operative treatmentProgressive slippageSymptomatic and radiographically unstable isthmic spondylolisthesis High grade…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Tension Band Wiring (TBW)
Tension Band Principle A tension band is any device placed on the tension side of an eccentrically loaded fracture that converts tensile load into compressive load. The convex side of the bone is under tension whereas the concave side is under compression. For a tension band to work, the fracture…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Reverse or Baby or Mirrored Bennett’s Fracture
Definition: The fracture-dislocation at the base of the fifth metacarpal analogous to Bennett’s fracture of the thumb Mechanism of injury: Muscle pull and displacement: Consequences of unreduced fracture-dislocation: Possible associations: X-ray views: Treatment: 1. Closed reduction and internal fixation with K-wires 2. Open reduction and internal fixation with K-wires or…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Wormian Bones
Wormian bones are abnormal ossicles that develop from extra ossification centers within the cranium. They are most frequently located in the lambdoid suture or the coronal suture, and have been seen in the fontanelles, particularly the posterior fontanelle. Commonest Cause Idiopathic (Anatomic variant) Other Causes Mnemonic: PORK CHOPS 1. Pyknodyostosis…
Clinical Skills and Approaches 
Plantar fasciitis : Injection Technique
Anatomy Plantar fascia arise from medial and lateral tubercles on the inferior surface of calcaneus. The lesion is invariably found at the medial head. Intersection technique 1. Position: Supine with knee flexed and hip externally rotated (figure of 4) 2. Landmark: Point of intersection of a line drawn parallel to…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Anatomy of Physis (Growth Plate)
Periphery of physis: The physis is connected to the epiphysis and metaphysis peripherally via: Blood supply of physis: There are three sources of blood supply to the physis: the epiphyseal, metaphyseal, and perichondral circulations. Zones of physis: Zones Characteristics Functions Blood supply Diseases Epiphysis Epiphyseal artery Multiple Epiphyseal Dysplasia (MED) Physis 1….