If you are into precision engine building, you've no doubt heard the standard line for establishing the proper pushrod length: With proper pushrod length, the rocker tip should be in the center of the ...

Stride length and step length are two important measurements in gait analysis. Gait analysis is a study of how a person walks and runs. Doctors use visual observation and tools to measure and assess ...

We've known for years that a short cervix is a risk factor for a preterm delivery. Now we have an easy way to measure and correct this issue. My patient was 22 years old and midway through her first ...