Race Face introduced its new Turbine MTB pedals with impressive features that set it apart from other flat pedals.

Race Face has launched its most concave flat pedal yet – the Turbine. It has 3mm of concavity and is designed for riders who ...

In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.

Convex and concave lenses can both be used to correct defects of vision. The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’. People who are ...

Muscle strength tests showed that m. quadratus lumborum and m. gluteus medius on the convex side of the spinal curvature appeared to be weaker compared to concave side, and m. erector spine lumbalis ...