With this reflex, tilting the head back while lying on the back causes the back to stiffen and even arch backwards, the legs to straighten, stiffen, and push together, the toes to point, the arms to bend at the elbows and wrists, and the hands to become fisted or the fingers to curl. A reflex, esp. Tonic Labyrinthine Reflex (TLR) The TLR provides the baby with a means of learning about gravity and mastering neck and head control outside the womb. When this reflex is not integrated, children will have difficulty judging space, distance, depth an speed. This reflex helps orient the head in space and to the rest of the body. Synonym: kinetic reflex; optical righting reflex; tonic labyrinthine reflex. The TLR interacts with other reflexes to help the infant to start developing coordination, … The tonic labyrinthine reflex ( TLR) is a primitive reflex found in newborn humans. Tonic Labyrinthine Reflex(TLR) is the response to the change of the position of the head when bent forward or backward in mid-plane (Goddard, 2005), and are influenced by the labryinths of the vestibular system (Oden, 2004). a postural reflex, resulting from stimulation of receptors in the semicircular ducts, utricle, and saccule of the inner ear. labyrinthine righting reflex. This reflex is important for giving the baby the opportunity to practice balance; increase muscle tone; and develop the proprioceptive and balance senses.