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Adjusting a Traverse

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In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...

Design Example: Traverse Angle Computations

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Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...

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Related Experiment Video

Updated: May 28, 2026

Revised and Neuroimaging-Compatible Versions of the Dual Task Screen

Revised and Neuroimaging-Compatible Versions of the Dual Task Screen

Published on: October 5, 2020

Dual-task performance during a climbing traverse.

Alexander L Green¹, William S Helton

¹Department of Psychology, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand.

Experimental Brain Research

|October 18, 2011

Summary

This summary is machine-generated.

High-angle climbing demands significant physical and cognitive effort. Dual-tasking climbing with memory recall impaired climbing efficiency and word recall, suggesting cognitive load impacts performance.

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Revised and Neuroimaging-Compatible Versions of the Dual Task Screen

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Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients

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Published on: March 11, 2021

Area of Science:

Sports Science
Cognitive Psychology
Human Performance

Background:

High-angle climbing presents both physiological and cognitive challenges.
Cognitive demands in climbing have been under-researched compared to physiological aspects.
Understanding cognitive load is crucial for optimizing climbing performance and safety.

Purpose of the Study:

To investigate the cognitive demands of high-angle climbing.
To compare dual-task performance (climbing and memory) with single-task performance.
To analyze the effects of cognitive load on climbing efficiency and memory recall.

Main Methods:

Participants performed climbing and word memory tasks individually and concurrently (dual-task).
Climbing performance metrics (distance, efficiency) and word recall accuracy were measured.
Psychological states including Energetic Arousal, Tense Arousal, and Task-unrelated Thoughts (TUTs) were assessed.

Main Results:

Climbing distance remained unaffected, but climbing efficiency significantly decreased under dual-task conditions.
Word recall performance was impaired during the dual-task condition compared to single-task memory performance.
Arousal levels increased post-climbing, and Task-unrelated Thoughts decreased post-memory load.

Conclusions:

High-angle climbing imposes significant cognitive load, impacting performance efficiency.
Dual-tasking reveals the interplay between physical exertion and cognitive processing in climbing.
Further research can explore these cognitive-physical interactions for enhanced training and safety protocols.