Entry into veins was head-first and was preceded by much pushing and probing of the vein wall.
He is often portrayed as an overeager amateur who dives head-first into a situation.
Prey may be crushed to death if large or eaten alive if small, swallowed head-first, and helped down by muscular contractions and neck flexing.
The attempt, having resulted in him being thrown/tagged out while sliding head-first into third base, and scraping his chin in the process.
Thayer an artist, not a scientist had dived head-first into the debate.
They are able to descend head-first and hang upside-down beneath twigs and branches.
Because normal slides hurt his ankles, he pioneered the use of the head-first slide.
It may be seated in the pinwheel head-first or base-first.
