In which of the following situations would a direct ground lift be the most appropriate method of moving a patient?
1: When the patient is on a flat surface and needs to be moved a short distance.
2: When the patient is unconscious and needs to be quickly transferred to a stretcher.
3: When the patient has a suspected spinal injury and needs to be moved with minimal spinal movement.
4: When the patient needs to be moved from a bed to a wheelchair and is unable to assist with the transfer.