types

Cuboid Fractures

Types

 

1.  Capsular avulsions

 

2.  Body / Nutcracker fracture

 

Nutcracker fracture

 

Epidemiology

- rare

 

Mechanism

- forced eversion / abduction of forefoot

- cuboid crushed between 4th and 5th MT and calaneum

 

Pathology

- displaced cuboid fracture with subluxation of tarsus

Von Willebrand's Disease

Incidence

 

Most common of the bleeding disorders

- 1:100

 

Function

 

vWF            

- needed for platelet adhesion and platelet-platelet interactions

- also carrier for factor VIII / protects it from rapid breakdown

 

Aetiology

 

Gene on chromosome 12

1.  Reduced production VWF

TFCC tears

Definition

 

Present with pain but not instability

 

Types

 

Traumatic

Degenerative

 

Different treatment algorithms for each

 

History

 

Ulna side wrist pain

- may be worse with rotation

- opening doors and jars

 

History of trauma

 

Examination

 

Local tenderness DRUJ

 

Osteoporosis

Epidemiology

 

1/3 caucasian women > 64

 

Risk Factors

 

Insufficient bone mass at time of skeletal maturity

- peak bone mass is achieved at age 25

 

Rapid loss of bone after menopause

 

Low body weight / weight loss / history of smoking / steroids

 

Primary

 

Type 1

- postmenopausal

- high turnover / osteoclast mediated

- F x 6

Spinal Braces

Braces

 

1.  Motion Control

 

2.  Spinal Realignment

 

3.  Trunk Support

 

4. Weight Transfer

 

Soft Collar

 

Cheap & Comfortable

- ineffective

- allows 70% Flexion Extension / 80% Rotation / 90% Lateral bend

 

Philadelphia Collar

 

MCL and Posteromedial Corner

AnatomyMCL anatomy

 

1. Seebacher's 3 layers of the medial knee

 

Layer 1

- sartorius and sartorius fascia

 

Layer 2

- superficial MCL

- posterior oblique ligament

- semimembranosus

 

Layer 3

- deep MCL (meniscofemoral and meniscotibial ligament)

- posteromedial capsule 

 

2. MCL

 

Superficial MCL