Extension *

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Spine Extension

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ROM3221

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Description of Movement

Spine Extension is the movement of the trunk (lumbar and thoracic spines) backward in the sagittal plane as bending over backwards in preparation to throwing a basket ball

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Range 30 degrees

• Total 120° (70° – 90° true spinal extension) from 90° of full flexion to 30° of full extension
• Observe from the side

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Measurement

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ADLs affected by restriction

• Standing for long periods
• Lifting heavy objects
• Sitting for long periods

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Special Notes

• A lot of the esxtension happens in the lumbar spine (75%), not so much in the thoracic spine
• Consider the effects excessive hip extension has on iliopsoas and other hip flexors  TIP 142
• Consider eccentric contractions  TIP 117
• Injuries are most common around L4 and L5 as they have to carry the greatest load
• Perform test in prone if they are getting dizzy, extension will be more like a strength test as they have to lift the upper body off the table This will give sufficient information on the strength of the erector muscle
• It is quite common to find that the upper rectus abdominis is short and the lower portion of it is overstretched
• Check the perfomance of the gluteal muscles  TIP 149

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also in this section

• Flexion *
  • AROM *
  • PROM **
  • RROM **
  • Tissues Involved **
• Extension *
  • AROM **
  • PROM
  • RROM
  • Tissues Involved
• Lateral Flexion *
  • AROM **
  • PROM
  • RROM
  • Tissues Involved
• Rotation *
  • AROM **
  • PROM
  • RROM
  • Tissues Involved

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