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Across 2. Single leg standing begins by age _________. 4. Early catching involves the child extending her arms and ________ the ball against her chest. 7. Food finding reflex. 10. Sideways and backward protective extension are usually tested in _________. 12. When you tip the body in any direction, the head rights to ___________. 13. By age 5, this organ has reached approximately 90% of its adult size. 14. Infants are typically able to sit independently at approximately _____ months. 16. By age 2, most children are able to ______ down off a small step. 19. Gross motor red flag. 20. Cognitive theory assumes that motor behavior is _________ through interaction with the environment. 22. Reflexive standing and stepping typically disappear around age _______ months. 26. Newborns have a shallow _______, resulting in a relatively unstable hip. 29. According to cognitive theory, __________ drives development. 31. When testing ________ _________ reactions, the body moves over a support surface (i.e. perturbation). 32. Catching oneself during a fall is a __________ reaction. 34. Bone increases in size before it increases in __________. 36. Tilting reactions and postural fixation are both examples of ___________ reactions. 37. This developmental theory emerged through the work of _______ and her colleagues. 38. Neural maturationist theory states that development is _______ and occurs in a predictable order. 40. The brain more than _________ in size in the first year of life. 41. Moving on hands and knees. 42. Most infants have taken their first step by _____ months. 43. Babies exhibit reflexive _________ until approximately 2 months of age. 44. Children are usually able to walk up ___________ before they can walk down.

Down 1. This reflex may be elicited by applying pressure to the palm of the hand or ball of the foot. 2. When testing ________ reactions, the support surface moves under the body (i.e. tilt board) 3. Toddlers usually do not have well-developed __________. 5. According to neural maturationist theory primitive _______ are the building blocks of development. 6. This reflex is elicited by stroking the paravertebral skin. 8. According to the neural-maturationist theory, development is driven by the _______ system. 9. Falling reflex 11. In a standing position, lower extremities of the ________ are in a genu varus position. 15. Newborn infants are often seen curled up in a fetal position; this is known as physiological ____________. 17. According to dynamical systems theory, movements are ___-_________. 18. ________ righting on body occurs when the infant's head is turned to the side and the body log rolls. 21. Infants typically begin creeping on hands and knees at approximately ____ months. 23. According to dynamical systems theory, the _______ is as important as the organism. 24. ATNR is also known as the _________ reflex. 25. Walking along furniture while holding on. 27. Femoral ________ is 30 degrees at birth and decreases with normal development. 28. According to this developmental theory, movements emerge as an interactions between subsystems and the environment. 30. Long bones grow at the ______ plate. 33. Infants typically achieve head control at approximately ____ months. 35. Many preschoolers walk with ________ _________. 39. Most infants are able to _______ from prone to supine by six months.