Upper end of humerus Mnemonic: HGL – 1,3,5 a. Head – by 1 year b. Greater tuberosity – by 3 years c. Lesser tuberosity – by 5 years All 3 centers fuse together by 6 years (1 year after the last center appears) Upper end of femur Mnemonic: HGL –…
Tag: Orthopedics
Section Editor: Dr. Sulabh Kumar Shrestha, MBBS, PGY1 Orthopedics
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Bruner’s Ten Rules of Pneumatic Tourniquet Use
APPLICATION: Apply only to a healthy limb or with caution to an unhealthy limb SIZE OF TOURNIQUET: Arm, 10 cm; leg, 15 cm or wider in large legs SITE OF APPLICATION: Upper arm; mid/upper thigh ideally PADDING: At least two layers of orthopaedic felt SKIN PREPARATION: Occlude to prevent soaking…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Mnemonic Approach to Elbow Xray – FOOL
Mnemonic: FOOLa. Fat padsb. Overt findings and outlinesc. Ossification centersd. Lines Fat pads The elbow joint has anterior and posterior fat pads which are extra-synovial but within the articular capsule. These are present as a radiolucent (black) line (compared to bone and surrounding soft tissues) in lateral X-rays. Normal finding:…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Lines and Angles in Orthopedics
Slipped Capital Femoral Epiphysis (SCFE) Southwick’s angle: Epiphyseal-shaft angle on lateral radiograph <30 degrees: mild 30-60 degrees: moderate >60 degrees: severe Klein’s line: Line drawn along superior border of femoral neck (AP x-ray) In SCFE: will intersect less of the femoral head or not at all Developmental Dysplasia of Hip…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
List of Osteochondritis of Different Bones
Osteochondritis of the capitulum of humerus (elbow): panner’s disease Osteochondritis of the lunate bone: keinbock’s disease Osteochondritis of the femoral head: perthe’s disease Osteochondritis of lateral part of medial femoral condyle: osteochondritis dissecans Osteochondritis of the tibial tubercle: osgood schlatter’s disease Osteochondritis of lower part of patella: sinding larsen johansson…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Hip and Shoulder Deformities
HIP Flexion, Abduction, External rotation (FABER) + apparent lengthening: Synovitis Flexion, Abduction, External rotation (FABER) + true lengthening: Anterior dislocation of hip (Obturator) Extension+ Abduction + External rotation (EABER): Anterior dislocation of hip (Superior or Pubic) Flexion, Adduction, Internal rotation (FADIR) + true shortening: Arthritis, Posterior dislocation of hip Flexion,…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Differential Diagnoses of Bone Tumors : Mnemonic Approach
Lytic and Sclerotic Bone Lesions Mnemonic for Solitary lytic lesions: FEGNOMASHIC Fibrous dysplasia Enchondroma Eosinophilic granuloma Giant cell tumor Nonossifying fibroma Osteoblastoma, Osteosarcoma (telangiectatic) Metastases Myeloma Aneursymal bone cyst Simple bone cyst Hyperparathyroidism (brown tumor) Infection Chondroblastoma Chondromyxoid fibroma Mnemonic for Multiple lytic lesions: FEMHI Fibrous dysplasia Eosinophilic granuloma/Enchondroma Metastasis/Mutiple…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Ulnar nerve Anatomy – Course and Innervation
Origin: C(7), C8, T1 (medial cord of Brachial plexus) Course: Motor innervation: 1. Forearm: Flexor carpi ulnaris (weakness of ulnar deviation and flexion of wrist), Medial half of flexor digitorum profundus (branches near the elbow) 2. Hand: branches near wrist Sensory innervation: Palmar branch at forearm and Digital branch at wrist…