הֲתִתֵּ֣ן לַסּ֣וּס גְּבוּרָ֑ה הֲתַלְבִּ֖ישׁ צַוָּאר֣וֹ רַעְמָֽה׃
Ты дал лошади его силу? Ты одел его шею от свирепости?
Rashi
fierceness Heb. רעמה, an expression of thunder and fright, like (Ezek. 27:35), “Their faces are as though thunderstruck (רעמו).”
Malbim
God also created animals for man’s use. For example, the horse, man's accomplice and ally in that most singular of his activities - warfare.