An 18 year old female patient reports for her routine orthodontic appointment. 1st premolars from all quadrants had been extracted at the beginning of treatment. Her current status reveals 3 mm of space between the canines and 2nd premolars in all quadrants. Class II elastics were initiated to close these spaces. The type of anchorage provided by the elastics is known as :
Intramaxillary anchorage Baker’s anchorage Moyer’s anchorage Absolute anchorage