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Long Notes Lifespan

Characteristics & Basic Components of Normal Sensorimotor Development

QuestionAnswer
3 General Principles of Control Cephalo-caudal; Proximal-Distal (shou/pelvis to arms/legs); Gross-Fine
What else influences development? Genetic Coding; CNS Maturation (dendrite growth & myelin development); Handling (babies need to be handled!)
Relationship between sensory & motor systems Sensory drives motor; sensory myelinated first (vestibular very first)
Tactile Component of Movement & Motor Development Influences early reflexes; Beginning of spinal mobility Lateral, child does head righting activities; Landau Reflex
Proprioceptive Component of Movement & Motor Development Similar to tactile, esp. Landau/anything where baby WB thru abdomen
Visual Component of Movement & Motor Development Optical Righting Rxn
Vestibular Component of Movement & Motor Development Labyrinthine Reflexes (SCC help baby produce correct response)
Kinesthetic Component of Movement & Motor Development Un/Sub-conscious awareness of position in space; helps with sense of speed of mvmt
Neurophysiological Characteristics Plasticity (myelin/dendrites grow till 4th decade); Ssy/Motor feedback: have to have right feedback; Integration: motor system does this (Selects & coordinates mvmt)
Neurophysiological Characteristics Normal mm tone: ethnicity; need enough tone to sustain posture but not too much to where oyu can't move out of position
How does a low tone baby "fix"? Scapular elevation-- only way they can hold up head
What is fixing? Bad co-contraction pattern; can happen & go away in normal children
Joint Mobility Anti-gravity mm develop first, then they're used as part of coordinated mvmt; develops first horizontal (most mvmt on tummy/back)
Skeletal Articulation Head connected to larynx, so baby with poor head control has trouble with feeding & speech
Kinematic Chain more WB = more alerting; open WB is prone/supine
Horizontal vs. Vertical Horizontal: minimal WB in prone/supine, so this is where baby begins to learn; Vertical: things moving, baby interacts better, WB; Horizontal before Vertical generally
Baby sitting sequence/continuum Ring sit -> One leg out -> Side sitting
In what position does baby learn antigravity motions first? Prone, then supine, then sidelying
What must you do to activate a muscle? Elongate it first!
NWB is also considered...? Anti-Gravity; Baby does most things in prone/supine for first 6 months
Random Movement First time baby smiles, won't do it again on command, for example
Asymmetrical Movement Primitive response, baby turning head to 1 side
Bilateral Symmetrical Movement Right & Left move together (patty cake); Initiates midline orientation; Front/back also bilateral symmetrical, so is top/bottom; so is PoE
Alternate Reciprocal Movement Bridging, bouncing on butt while lying on back
Unilateral Symmetrical Movement Done in lateral flexion; Helps with rolling; Elongation on WB side activities
Bilateral Diagonal Movement RALBA! Ex: creeping on hands/knees, sitting-> prone, anything with rotational component
Automatic Background Movements Necessary for voluntary mvmt; Righting rxns, protective extension, equilibrium rxns
General Characteristics of Movement Point/Base of Stability; Point of mobility (distal segments, move arms/legs with stable body); WS; WS followed by 1 or combo of: falling, protective extension, righting rxn, equilibrium
Created by: 1190550002