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Erstellt / Aktualisiert 10.07.2019 / 10.07.2019
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0 Exakte Antworten 84 Text Antworten 0 Multiple Choice Antworten
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How does the maximum amount of flexion at the metacarpophalangeal joint vary from finger to finger?
The maximum amount of flexion at the metacarpophalangeal joints generally decreases from the fifth to the second joint. At the fifth joint (little finger) it is around 95 to 100 degrees and at the second joint (index finger) it is about 70 degrees.
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Name the five regions of the spine.
The five regions of the spine are the cervical, thoracic, lumbar, sacrum and coccyx.
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Try to estimate the amount of range of rotation in your lumbar and thoracic spine. First of all stand up in front of a wall with your arms folded and twist gently from side to side whilst keeping your arms fixed relative to your chest. Note, how the angle between your folded arms and the wall changes. Does this give a true representation of the range of rotation in your lumbar and thoracic spine?
No. When standing and gently twisting from side to side motion also occurs in the lower limbs. Do the same again but this time sitting down. This should giveyou a better estimate of the range of rotation in your lumbar and thoracic spine.
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As the moment arm of the upper body weight increases does the loading on the spine increase or decrease?

The loading on the spine increases as the moment arm of the upper body weight increases.