Low energy
- sport
- football
- gymnastics
Injury to the Lis Franc Ligament with instability / diastasis
Other ligamentous injuries
- medial cuneiform (C1)—intermediate cuneiform (C2) instabiility
- medial cuneiform (C1)—first metatarsal bone (M1) instability
- intermediate cuneiform (C2)—second metatarsal bone instability
Ankle sprain
- eversion / external rotation
Ankle fractures
Inflammation and degeneration of the achilles tendon in the midsubstance 2 - 6 cm from insertion
Intermediate grade chondroblastic osteosarcoma arising from surface of long bones
Extremely rare
- 1% of all osteosarcomas
- 25% of surface osteosarcomas
Age 15-25
Typically anterior proximal tibia
- diaphysis of major long bones
- humerus
Chronic lateral trochanteric pain
- abductor tendon tendonitis
- trochanteric bursitis
Women 40 - 60 years old
? repetitive friction of iliotibial tract over GT
Pain over upper lateral thigh with activity
- often related to hip flexion
Athletes with increase activity / distance
Women with eating disorders / amenorrhea
Compression / inferior neck
- < 50% protective weight bear
- > 50% emergent ORIF
Tension side / superior neck
- emergent ORIF
https://www.vumedi.com/video/arthroscopic-double-row-subscapularis-repa…
Technique
- extra-articular
Portals
- posterior portal very lateral so can see anterior aspect subacromial space
- port of Wilminton at anterolateral acromion to access SSC
- anterior portal in normal position, slightly more lateral so becomes working portal
Facet joint dislocations secondary flexion distraction injury
10%
1. Unifacet subluxation - interspinous process widening
2. Unifacet dislocation - 25% anterolisthesis
3. Bifacet dislocation - 50% anterolisthesis
4. Complete vertebral translation - 100% anterolisthesis