| Gallahue’s hourglass model | Subdivisions | Mountain of motor development |
| Reflexive movement phase | Information encoding stage Information decoding stage | Reflexive period |
| Rudimentary movement phase | Reflex inhibition stage Precontrol stage | Preadapted period |
| Fundamental movement phase | Initial stage Emerging elementary stage Proficient Stage | Fundamental patterns period |
| Specialized movement phase | Transitional stage Application stage Lifelong utilization stage | Skillful period Compensation period |