Appropriate position for crutches from axilla.

NORCET 2 -2021 (Shift-2)

Fundamental of Nursing

Easy

Appeared in: NORCET 2 -2021 (Shift-2)

Explanation

The standard guideline for fitting axillary crutches is to ensure a space between the crutch pad and the axilla.
This space is typically measured as 2 to 3 finger-widths, which is roughly equivalent to 1.5 to 2 inches.
This specific distance is critical to prevent compression of the brachial plexus nerves and blood vessels located in the axilla.
Weight should be borne by the hands on the handgrips, not by the axillae resting on the crutch pads.
Both '2-3 inches' and '2-3 fingers' describe this gap, but 'fingers' is a common and practical bedside measurement taught to patients.

Option A: A space of 5-6 finger-widths is too large. This would cause the handgrips to be too low, forcing the patient to stoop and leading to poor posture and instability.
Option B: While 2-3 inches is a correct measurement (approximately 1.5-2 inches is the precise range), '2-3 fingers' is also a standard and equivalent measurement provided in nursing texts. In this context, both are very close, but '2-3 fingers' is a direct and common patient instruction.
Option D: Positioning the crutches directly at the level of the axilla is dangerous. It causes direct and continuous pressure on the axillary nerves (brachial plexus) and arteries, leading to nerve damage (crutch palsy) and potential circulation issues.

Visual 1: Diagram - A side-by-side comparison showing correct crutch fitting (2-3 fingers gap, slight elbow bend) versus incorrect fitting (no gap, weight on axilla).
Visual 2: Infographic - A step-by-step guide on how to measure a patient for crutches, highlighting the three key measurements: overall length, handgrip height, and axillary space.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Proper fitting and measurement of axillary crutches to ensure patient safety as background academic context rather than a clinical decision trigger.
Patient safety is the primary concern. Incorrectly fitted crutches can lead to nerve damage (brachial plexus injury, or 'crutch palsy'), falls, and poor mobility.
Nurses must not only ensure crutches are fitted correctly but also educate the patient on how to use them safely, including how to walk, use stairs, and sit/stand.
Patient education should emphasize bearing weight on the hands, not the armpits, and to report any numbness or tingling in the arms or hands immediately.

How to Approach the Question

First, identify the core of the question: it's asking for a specific, safe measurement related to a medical device (crutches).
Recall the key safety principle for axillary crutches: avoid pressure on the armpit (axilla) to prevent nerve damage.
This principle immediately eliminates the option 'level of axilla (no distance)' as it is clearly dangerous.
Next, evaluate the remaining options which all describe a space. '5-6 fingers' seems excessively large and would likely compromise support.
The choice is between '2-3 inches' and '2-3 fingers'. Recognize that these are often used as equivalent measurements for the same gap. Both are plausible. Textbooks confirm that '1.5-2 inches' is equivalent to '2-3 finger widths'. Since '2-3 fingers' is an explicit option and a common clinical instruction, it is a strong candidate.
Select the measurement that is a standard, safe, and commonly taught guideline. Both B and C are very close, but C is a direct quote of the finger-width measurement from textbooks.

Concept Tested & Keywords

Concept Tested: Proper fitting and measurement of axillary crutches to ensure patient safety.
Stem keywords: crutches, axilla, position, appropriate
Lead-in keywords: Appropriate

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