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Passive abduction

POSitioning.

The subject lies in the supine position,near the border of the couch, with the lower leg pendent. The examiner stands level with the subject’s hip. One hand grasps the distal thigh from the medial side. The other hand is placed on the opposite anterior superior iliac spine in order to stabilize the pelvis.

Procedure. […]

Hip Anatomy and Examination

Basics Description Bones: Pelvis and femur bone The acetabulum is the socket Muscles: Flexors: Iliopsoas, sartorius, rectus femoris Extensors: Gluteus maximus, hamstring muscles Abductors: Gluteus medius, gluteus minimus Adductors: Gracilis, pectineus, adductor longus, adductor brevis, adductor magnus Nerves: Femoral: Hip flexors Obturator: Adductors Superior gluteal: Abductors Ligaments: Sacroiliac: Sacrum to ilium Sacrotuberous: Sacrum to […]

Ewing Sarcoma

Basics Description Ewing sarcoma is a malignant bone tumor of the long bones, pelvis, and spine usually seen in childhood. Bone pain is the most common finding. Fever and an elevated white blood cell count and ESR sometimes are found. Nerve root irritation may be noted in patients with spinal lesions. It most commonly […]

Aneurysmal Bone Cyst

Basics Description Destructive, painful, lytic bone lesions occurring in young patients May occur primarily in bone (de novo) or develop within another benign bone lesion Can be locally aggressive and can cause a bone to balloon as a result of aneurysmal cystic expansion Occurs most often at the proximal ends of long bones and […]

Prolotherapy Therapy with Platelet Rich Plasma

Tendons and ligaments connect muscles to bones, making it possible to do all kinds of physical activities. Overuse or damage to tendons over a long period of time causes the collagen fibers that make up the tendons to form small tears, a condition called Tendinosis. Ligaments are composed of collagen fibers and hold bones together, […]

A Patient’s Guide to Revision Arthroplasty of the Hip

Introduction

Over the past 30 years, artificial hip replacements have become increasingly common. Millions of people have gotten a new hip joint. The first time a joint is replaced with an artificial joint, the operation is called a primary joint replacement. As people live longer and more people receive artificial joints, some of those joints […]

A Patient’s Guide to Piriformis Syndrome

Introduction

Pain in the buttock that radiates down the leg is commonly called sciatica. The most common cause for sciatica is irritation of the spinal nerves in or near the lumbar spine. Sometimes the nerve irritation is not in the spine but further down the leg. One possible cause of sciatica is piriformis syndrome. Piriformis […]

A Patient’s Guide to Developmental Dysplasia of the Hip in Children

Introduction

Developmental dysplasia of the hip (DDH), previously known as congenital hip dysplasia is a common disorder affecting infants and young children. The change in name reflects the fact that DDH is a developmental process that occurs over time. It develops either in utero (in the uterus) or during the first year of life. It […]