BACKGROUND It has not been shown whether accelerated rehabilitation following periacetabular osteotomy (PAO) is effective for early recovery. The purpose of this retrospective study was to compare complication rates in patients with standard and accelerated rehabilitation protocols who underwent PAO. METHODS Between January 2002 and August 2011, patients with a lateral center-edge (CE) angle ...

Introduction Currently, the load-bearing capacity of tissueengineered cartilage is insufficient. Inducing sufficient collagen content with an arcade-like architecture is a solution. Recently, sliding indentation was proposed for this puropse. However, it was only initially explored and further optimization may yield significantly better results. The aim of this study is to investigate in-silico...

BACKGROUND A two-year, community-based, group-randomized trial to promote bone mass gains among 9-11 year-old girls through increased intake of calcium-rich foods and weight-bearing physical activity was evaluated. METHODS Following baseline data collection, 30 5th-grade Girl Scout troops were randomized to a two-year behavioral intervention program or to a no-treatment control group. Evaluat...

We describe mechanical metamaterials created by folding flat sheets in the tradition of origami, the art of paper folding, and study them in terms of their basic geometric and stiffness properties, as well as load bearing capability. A periodic Miura-ori pattern and a non-periodic Ron Resch pattern were studied. Unexceptional coexistence of positive and negative Poisson's ratio was reported for...