Proper Posture Hiking with a Weighted Ruck Sack

Proper posture for walking with a weighted ruck sack for hiking or for exercise. This is a segment from a full ruck sack technique video, linked below. I describe the biomechanics at play for walking with a weighted ruck sack. In the demonstration I am using 35 lb of weight added to the ruck sack.
The goal for optimal movement will be maximal efficiency, minimal physical stress on the body, and maximal speed capacity. This video focuses on posture which I believe should be upright. Watch my other walking technique videos for a full biomechanics analysis of walking technique.

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