hiplock

hiplock

the point in a dystocia at which the front half of the calf's body has been delivered but further progress is prevented by the stifle joints of the fetus being stuck at the brim of the pelvis; the fetus is jammed at the hips.
References in periodicals archive ?
Hiplock, as the name implies, occurs when the calf is in normal position and is removed up to the hips, which are not able to pass through the pelvis.
The trifecta was completed in the second quarter when Day had hiplock coverage on Troy Searcy down the sideline.