Is it all right to lean forward in a sitting position, elbows on thighs, reading or watching something intensely, sometimes with chin in hand?
From a biomechanical point of view, this position is very stressful on the spine. The neck is hyperextended, while the mid and low back are overstretched. Abdominal and pelvic lymph drainage is impaired by the forward flexed position and breathing/changes in thoracic (chest) pressure is impaired, as well. Natural collateral lymphatic drainage exists from the upper chest area to the inguinal (groin) area on the side at risk and will be impaired by this position. So, no, it is not good lymphatically or biomechanically. In conclusion, think of your body as system in flux – always trying to maintain balance (homeostasis). The more balanced our fluid system is, the greater the chance of avoiding lymphedema. Surgical removal of lymph nodes/vessels shifts the balance toward the unbalanced side; the margin for error is less. You need to “weigh” your activities to try to limit further shifting of the balance to the negative side, limiting increased lymph load and forces that would further decre
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