And the angel which I saw stand upon the sea and upon the earth: see Revelation 10:2; which Angel was Christ. Lifted up his hand to heaven; as Daniel 12:7, with which prophecy this agreeth. It is an ordinary gesture used in swearing.
Related Commentaries of Revelation 10:5
Revelation 10:5
5 And the angel which I saw stand upon the sea and upon the earth lifted up his hand to heaven,