Charles Ellicott Commentary 2 Chronicles 29:29

"And when they had made an end of offering, the king and all that were present with him bowed themselves and worshipped." — 2 Chronicles 29:29 (ASV)

Of offering. — Namely, the burnt offering, as the verb implies.

Bowed themselves. — Rather, bowed the knee (kara’). (Isaiah 45:23; 1 Kings 19:18).