Question

1. Compared to upright stance do the following postures exert more or less pressure on intervertebral discs?
   1. Lying flat
   2. Slouched (trunk flexed) standing
   3. Slouched (trunk flexed) sitting
   4. Reclined sitting
   5. Holding a load in an upright stance position
   6. Holding a load in a slouched standing position

Answer 1

During lying flat posture , the pressure in the intervertebral disk will be less.

During slouched standing the pressure in the intervertebral disk will be more.

During slouched sitting the pressure in the intervertebral disk will be more.

During reclined sitting the pressure in the intervertebral disk will be less.

During holding a load in an upright stance position the pressure in the intervertebral disk will be less

During holding a load in a slouched standing position the pressure in the intervertebral disk will be more .