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Posture and Movement System

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Posture and Movement System Margo Prim Haynes, PT, DPT, MA, PCS Mary Rose Franjoine, PT, DPT, MS, PCS Posture and Movement Functional skills are controlled by two ... – PowerPoint PPT presentation

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Title: Posture and Movement System


1
Posture and MovementSystem
  • Margo Prim Haynes, PT, DPT, MA, PCS
  • Mary Rose Franjoine, PT, DPT, MS, PCS

2
Posture and Movement
  • Functional skills are controlled by two
    different but complementary subsystems, one for
    posture and one for movement.

3
What is Posture?
4
Functions of Postural System
  • Maintain alignment of the body by overcoming the
    effects of gravity in all positions at all times
    (postural tone)
  • Preserving joint integrity
  • Maintain COM within BOS
  • Prepare the body for movement

5
What is Movement?
6
Function of Movement System
  • Provide mobility of various body segments in
    space.
  • Initiation
  • Continuation / (sustain)
  • Termination
  • Allows expression of well timed, coordinated,
    sequenced fluid movement

7
To Climb
8
  • we need both systems to work efficiently but
    most importantly

together
9
What functions allow for each system to be unique
and role specific?
10
The Role of the Muscles
Postural System Movement System
Configuration Bi Pennate Multi Pennate Uni- Pennate Penniform
Attachment Angular Parallel
Fiber Length Short Broad Long Slender
11
Multifidus Muscle
Postural System http//en.wikipedia.org/wiki
12
Movement System http//en.wikipedia.org/wiki
13
Gluteus Medius
http//en.wikipedia.org/wiki
14
Duel Role of Gluteus Medius
15
The Role of the Peripheral Nervous System Motor
Units
  • Posture System
  • Unit type S
  • Slow to fatigue
  • Contraction speed slow
  • Rich capillary action
  • Movement System
  • Motor unit types
  • FR resist fatigue
  • FF fatigue rapidly

16
What is.
  • Postural Control?
  • Balance ?
  • Functional Balance?

17
Postural Control
  • Steady State Postural Control
  • Maintain the COM within BOS
  • Sway Strategies
  • Dynamic Postural Control
  • Anticipatory
  • Prepares for movement (feedforward)
  • Reactive
  • Righting Equilibrium Reactions
  • Proactive
  • Modifies Response due to environment Task

18
Postural Control
  • Interaction of Multi-systems that influence the
    motor output
  • Response ..

19
Balance
  • Balance what we see and measure clinically
  • How we measure Balance?
  • Steady State Balance
  • Anticipatory Balance
  • Proactive Balance
  • Reactive Balance

20
Functional Balance is
  • Integration of the postural and movement system
    which allows us to freely move in space to
    complete our desired functional tasks with
    orientation of the body in space and fluid
    execution of the movement.
  • Example
  • Pick up object from floor
  • Run Jump
  • Transition in and out of chair

21
Picture and Video
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