Movement Analysis - Sit to Stand Flashcards Preview

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Flashcards in Movement Analysis - Sit to Stand Deck (11)
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1

What are the components of sit to stand? (2)

  1. Pre-extension phase
  2. Extension phase

2

What are the 2 basic components of the pre-extension phase?

  1. Feet move back
  2. Bodyweight moved forwards

3

What 2 movements occur in the feet back phase & what muscles cause it?

  1. Knee flexion - concentric hamstrings
  2. Ankle DF - concentric tibialis anterior

4

What 3 movements occur in the bodyweight forward phase & what muscles cause it?

  1. Hip flexion - concentric iliopsoas and rectus femoris
  2. Increased DF to bring knees forwards - concentric tibialis anterior
  3. Trunk remains upright - isometric abdominals

5

What 5 movements occur in the extension phase & what muscles cause it?

1. Coordinated hip and knee extension

  • Hip extension - concentric gluteals
  • Knee extension - concentric quadriceps

2. Ankle moves to plantargrade - concentric soleus

3. Trunk stabilised - isometric abdominals Lx spine extension - concentric erector spinae

6

What are the 4 general observations in sit to stand?

  1. Sitting position
  2. Speed of movement (1-3s)
  3. Symmetry of movement
  4. UL support

7

What to comment on for sitting position (3)?

  1. Amount of hip, knee and ankle flexion
  2. Size of BoS
  3. Trunk and UL position

8

What to comment on for speed of movement (2)?

  1. Too fast = loss of balance or excessive muscle force
  2. Too slow = don't achieve enough momentum - increased muscle work or failure to complete

9

What does a slumped posture indicate?

Posterior pelvic tilt and decreased Lx lordosis

10

What does an upright posture indicate?

Anterior pelvic tilt and Lx lordosis

11

What is a normal UL starting position?

  • Protraction
  • MR
  • Adduction