1) We generally see more ROM during dumbbell variations. 2) Theyâre more âshoulder friendlyâ in that weâre not locked into humeral internal rotation as what happens when using a barbell (pronated grip).
Trailer (computing) In information technology, trailer or footer refers to supplemental data placed at the end of a block of data being stored or transmitted, which may contain information for the handling of the data block, or just mark its end.
1 Dolly (trailer), for towing behind a vehicle. 2  Boat dolly or launching dolly, a device for launching small boats into the water. 3  Camera dolly, platform that enables a movie or video camera to move during shots.  Hand truck, sometimes called a dolly.