Background Knee valgus is associated with non-contact anterior cruciate ligament rupture and this injury commonly occurs at the end of competition and/or training sessions. Probably, muscle fatigue is ...

Background Two-dimensional frontal plane knee projection angle (FPKPA) has been used to assess dynamic knee alignment during single leg squat in athletes with patellofemoral pain and to screen ...

Orthographic projections have a set of standard lines to show different aspects of the diagram. These lines allow complex shapes to be drawn simply in 2D. In third angle, what you see from the right ...

Formal drawings are a more precise style of drawing. They can be produced by hand or with computer aided design (CAD) packages. Formal hand drawings use tools such as rulers and set squares to ensure ...

There’s no doubt that smartphones are the cornerstone of our lives when it comes to capturing, sharing, and consuming content. Sometimes you want to show other people videos or pictures and it can be ...

Tsubasa Yumura, a computer science researcher in Japan, rigged up a keyboard that looks like it launches letters into the computer when they're pressed. It uses a technique called projection mapping.