Using Absolute Phrases
When you combine a noun and a participle, you get an absolute phrase. It may also include modifiers and objects. The phrase modifies the whole sentence.
Cheeks bulging with air, the trumpeter marched onto the field.
(The noun Cheeks joins the participial phrase bulging with air to form an absolute phrase.)
The band advanced, players locking steps in perfect synchrony.
(The noun players joins the participial phrase locking steps in perfect synchrony to form an absolute phrase.)