My arms were shaking some but I was able to sit up.

I held it there, my arms shaking from the effort.

Her arms were getting tired and shaking a little bit.

He lifted himself onto its back, his arms shaking with the effort.

His arms shook with the tension of holding the point away.

His arms shook as though he could barely contain himself.

His arm shook so much, he could not pour a cup of coffee.

By the time I did, my legs and arms were shaking with anticipation.

His arm shook terribly, but he was determined to get off one more shot.

His arm shook so that he seemed to be fencing.