Final answer:
The cross point of a Figure 8 harness should be located at the waist level of the climber for optimal safety and comfort. Placing the cross point at the waist provides better balance and stability. Rock climbers tie the Figure 8 knot around their waist and the cross point is where the two strands of the rope intersect.
Step-by-step explanation:
The cross point of a Figure 8 harness should be located at the waist level of the climber. This is because the waist is the strongest part of the body to support the weight and pressure applied by the harness. Placing the cross point at the waist provides better balance and stability for the climber.
For example, in rock climbing, the climber ties the Figure 8 knot around their waist, and the cross point is where the two strands of the rope intersect. By having the cross point at the waist, the climber's weight is evenly distributed and they can maintain their position without putting excessive strain on any specific body part.
Therefore, the cross point of a Figure 8 harness should always be positioned at the waist level for optimal safety and comfort during climbing activities.