The Hip - book

Achilles Tendinitis / Tendinosis

  (see also: Achilles Tendon Rupture) Discussion while there are many causes of posterior ankle pain, there are two distinct conditions which may affect the Achilles tendon: tendinitis and tendinosis, each having a distinct prognosis; Tendinitis / Tendinosis peritendinous inflammation which does not generally progress to degenerative tendinosis (nor rupture); in other situations, there will … Read more

Muscle Menu

Myopathic Disorders » Muscle Fiber Types » Biochemistry of Skeletal Muscle Contraction Muscle Contraction Depolarization Metabolic Sequence Calcium Regulation of Muscle Contraction Histology of Skeletal Muscle Chemistry of Skeletal Muscle Muscle Cramps » Extra cellular Matrix composed of many different molecular components, consisting mostly of collagens, proteoglycans, and glycosaminoglycans Matrix metalloproteinases enzymes that digest collagen … Read more

Accessory Bones of the Foot

most common accessory bones os trigonum os tibiale externum (accessory navicular) os peroneum (lateral aspect of cuboid) os vesalianum (base of 5th metatarsal) less common accessory bones os supratalare (antero-supero aspect of talus) os supranaviculare (superior aspect of navicular – seen on lateral) processus uncinatus (at intersection of navicula, 2nd and 3rd cuniform) os intercuneiforme … Read more

Above the Knee Amputation

  (see also: AKA Prosthesis, Amputations in the Diabetic Patient Discussion average AK amputee walks 43% slower and expends 89% more kcal/min than the normal person; if proximal circulation is adequate, a longer anterior muscle flap may be left and the combination myodesis- myoplasty technique is used; ability to ambulate with a prosthesis depends heavily … Read more

Above Knee Amputation Prosthesis

Discussion it is important that knee joint is extended throughout stance phase; this means that the components are assembled so that a straight line extended fromthe "trochanter" will pass anterior to the knee and through the ankle; friction is adjusted to help control the amount of knee flexion and to help decelerate the shank; mechanical … Read more

About WRIGHTLOCK and the OCS Instrumentation

Development of the design of the WRIGHTLOCK Spinal Fixation System began over eight years ago in conjunction with Dr. Ben Allen, Jr., Chief of Staff at the Shriners Hospital for Crippled Children in Greenville, SC. Its design was based on the need for a spinal system that was both low profile and high strength for … Read more

Abductors of the Shoulder

Discussion (see also: rotator cuff) abduction of shoulder is a smooth, integrated motion which has been termed scapulohumeral rhythm by Codman; disruption of this smooth motion is important since asymmetrical movement usually indicates a chronic pathological disorder of the shoulder; there is a 2:1 ratio of movement in GHJ & scapulothoracic joints; clavicle also plays … Read more