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Related Concept Videos

Distance Measurements by Taping01:18

Distance Measurements by Taping

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Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
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Distance Corrections01:15

Distance Corrections

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To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
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Taping Over Different Ground Profiles01:12

Taping Over Different Ground Profiles

47
Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the tape can rest directly on the ground. Here, the taping team, typically consisting of a head and a rear tapeman, coordinates their positions with clear communication. The rear tapeman holds the tape at the starting point and guides the head tapeman toward a range pole placed beyond the endpoint, using hand or voice signals to ensure alignment.On...
47
Errors in Taping01:18

Errors in Taping

49
Errors in taping arise from multiple factors that can significantly impact measurement accuracy in surveying. Misalignment of the tape, often due to human error, is one primary source. A skilled rear tapeman, using a telescope, can help correct alignment by guiding the head tapeman; however, human limitations still lead to small inaccuracies. These errors may include misplacement of pins or inaccurate tape readings due to common visual confusions, such as mistaking a six for a nine. Such...
49
Temperature Measurement Sites01:14

Temperature Measurement Sites

1.8K
A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
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Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

65
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
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Assessment of Child Anthropometry in a Large Epidemiologic Study
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Comparison of Infant Length Measurements Using Tape Measure Versus Length Board.

Denise Scalercio Ribeiro1, Juliet Sasinski, Heather Hackett

  • 1Neonatal Intensive Care Unit, UCLA Medical Center, Santa Monica, California (Ms Ribeiro, Sasinski, Hackett, and Manalo); and Center for Nursing Excellence, UCLA Health, Los Angeles, California (Drs Choi and Miller).

Advances in Neonatal Care : Official Journal of the National Association of Neonatal Nurses
|August 14, 2023
PubMed
Summary

Infant length measurement using a length board is reliable for accurate growth classification in neonatal intensive care units (NICUs). This method aids in diagnosis and future care planning for neonates.

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Area of Science:

  • Neonatal care
  • Pediatric growth assessment
  • Clinical measurement accuracy

Background:

  • Infant length is crucial for nutrition assessment and treatment decisions in intensive care.
  • Discrepancies exist between tape measure and length board infant measurements.
  • Accurate infant anthropometry is vital for monitoring growth and development.

Purpose of the Study:

  • To compare the accuracy and reliability of infant length measurements using tape measure versus length board.
  • To evaluate measurement differences in a neonatal intensive care unit (NICU) setting.
  • To determine the clinical utility of length boards for neonatal growth assessment.

Main Methods:

  • Quasi-experimental, repeated-measures design with 108 NICU infants.
  • Weekly tape measure by nurses; length board by study team within 24 hours.
  • Analysis included linear mixed-effects regression and agreement coefficients (κ, ICC).

Main Results:

  • Length board measurements were consistently lower (0.38 cm) than tape measurements over time.
  • Good to excellent agreement was found between the two measurement methods (κ and ICC).
  • Over 37% of infants shifted percentile categories based on measurement type, highlighting clinical significance.

Conclusions:

  • Length board measurements provide reliable data for accurate infant growth curve classification.
  • This reliability supports informed diagnosis and future care planning for neonates.
  • Further longitudinal, multi-site research is recommended to validate these findings.