Dr. Kevin Yip

Dr Kevin Yip
Orthopaedic Surgeon
MBBS(UK), FRCS(EDIN), FAM(SING), FHKCOS(ORTHO)

Featured on Channel NewsAsia

Leg Length Discrepancy

Leg Length Discrepancy

Leg Length Discrepancy

What is leg length discrepancy?

Leg length discrepancy is an orthopaedic problem that usually appears in childhood, in which one’s two legs are of unequal lengths. Often abbreviated as ‘LLD,’ leg length discrepancy may be caused by or associated with a number of other orthopaedic or medical conditions, but is […]

Dupuytren’s Contracture Treatment in Singapore

Dupuytren’s Contracture

Dupuytren’s Contracture

Dupuytren’s contracture

Dupuytren’s contracture is a painless thickening and contracture of tissue beneath the skin on the palm of the hand and fingers.

Causes, incidence, and risk factors

The cause is unknown. Family history of Dupuytren’s contracture makes you more likely to develop this condition. It does not seem to be caused […]

Pathophysiology of Adhesive Capsulitis

At this time there is no accepted complete understanding of the pathophysiological basis for the development of adhesive capsulitis. Harryman and Lazarus credit Reidel’s report in the early German literature as the first to propose that a pathologic process originating in the glenohumeral capsule was responsible for shoulder stiffness. Neviaser subsequently described the histologic findings […]

Impingement: Secondary

Individuals with shoulder instability or other underlying pathology can develop significant abnormal mechanics that can lead to rotator cuff functional disability, eventual fatigue and loss of humeral head containment. When this occurs, rather than the coracoacromial arch moving toward the cuff, the cuff migrates cephalad as containment is compromised.

In addition to articular-sided internal impingement-type […]

Passive tests-Passive external rotation with the shoulder in 900 abduction

Positioning.

The subject stands with the arm hanging alongside the body and the elbow flexed to 90°. The examiner stands level with the subject’s arm. The contralateral hand takes hold of the elbow and brings the arm into 90° of abduction.The other hand grasps the distal forearm.

Procedure.

Put the shoulder into external […]

Osteogenesis Imperfecta

Basics Description OI is a collagen disorder causing osseous fragility. May affect bones, teeth, eyes, hearing, and soft tissue The Sillence classification is the most widely accepted. Type I: Mild, common form: Fractures occur in later childhood and decrease toward adolescence. Patients with type IA do not have dentinogenesis imperfecta; those with type IB […]

Accessory Navicular

Basics Description

This anatomic variant consists of an accessory ossicle located at the medial edge of the navicular Accessory ossicles are derived from unfused ossification centers. Considered an incidental finding on radiographs, but may become symptomatic Classification: 3 major types of accessory navicular adjacent to the posteromedial navicular tuberosity Type I: Small, 3-mm sesamoid […]