She got her shoulders under my right arm and kept pushing.

"How do I know you got a gun under your arm?"

Renie got under his arm again, this time facing him forward.

"We're going to the bedroom," she said, getting her shoulder under his arm.

He tossed the sword to the road behind and got his other hand under her arm.

"Because that is my dog you've got under your arm."

Ryan turned the wheel three times, then got under the captain's arm again.

Janeway got her shoulder under his good arm and helped.

I got a hand under his arm and helped him to sit up.

She got an arm around him, under his arm, so he didn't fall down again.