Week 14 Off Loading

Question 1

Parallel Force

Answer 1

When the tibia translates forward and our foot is in contact with the support surface, there is some shear force’s between the foot and support surface

–> in addition to the vertical ground reaction forces there are parallel forces in the form of shear forces and stresses

Question 2

Diabetic Foot: Altered Anatomy

Answer 2

• Altered Anatomy
• Muscles and foot mechanics can be altered by neuropathy + structure of the foot can be altered
• Charco foot deformity + hammer toes + bunions
• Foot changes due to motor neuropathy

Question 3

Diabetic Foot: Altered Sensation

Answer 3

• Undetected trauma is typically in the diabetic foot / shear forces
• Repetitive, undetected trauma- often sheer forces

Question 4

What is the goal of an offloading device?

Answer 4

redistribution of plantar pressure form a specific location to a broad area encompassing the entire plantar aspect of the foot