FADER Test: Difference between revisions
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== Clinical Relevance == | == Clinical Relevance == | ||
Due to the low sensitivity and high speificity of the FADER test, a positive test can effectively help us rule in the presence of gluteal tendinopathy. However, a negative test does not completely exclude the condition<ref name=":0" />. Moreover, it is unclear whether one single test can be used isolatedly to accurately diagnose gluteal tendinopthy<ref name=":2">Grimaldi, Alison, et al. “[https://link.springer.com/content/pdf/10.1007/s40279-015-0336-5 Gluteal Tendinopathy: A Review of Mechanisms, Assessment and Management].” ''Sports Medicine'', vol. 45, no. 8, 13 May 2015, pp. 1107–1119, <nowiki>https://doi.org/10.1007/s40279-015-0336-5</nowiki>. | |||
</ref>. Therefore, a combination of assessment tools, such as patient history, physical exam (e.g., palpation, [[FABER Test|FABER test]], [[Ober's Test|Ober's test]], [[Single Leg Stance Test|single leg stance]] etc) and imaging, is needed for comprehensive evaluation of the condition<ref name=":2" />. | </ref>. Therefore, a combination of assessment tools, such as patient history, physical exam (e.g., palpation, [[FABER Test|FABER test]], [[Ober's Test|Ober's test]], [[Single Leg Stance Test|single leg stance]] etc) and imaging, is needed for comprehensive evaluation of the condition<ref name=":2" />. | ||
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Description[edit | edit source]
FADER test stands for Flexion, Adduction, External Rotation test. This is a pain provacation test of the hip for assessing lateral hip pain for gluteal tendinopathy.
Clinically Relevant Anatomy[edit | edit source]
Gluteus medius[1]: It originates from the gluteal fossa, the gluteal aponeurosis and the postero-inferior iliac crest, and inserts onto the lateral aspect of the greater trochanter. It is responsible for abduction and internal rotation of the hip. It also acts as a stabiliser of the pelvis.
Gluteus minimus[1]: It originates from the ilium between the anterior and inferior gluteal lines, and inserts onto the anterior aspect of the greater trochanter. It assists in hip abduction and internal rotation and stabilises the pelvis with gluteus medius.
More detailed information of the hip anatomy can be found here.
Purpose[edit | edit source]
The FADER test aims to provoke symptoms in a position that increases tensile and compressive stress of the tendons of the gluteal muscles, i.e., the gluteus medius and gluteus minimus[2]. The FADER-R test is performed to further increase tensile and compressive load by adding in the component of active internal rotation[2]. A positive test result suggests gluteal tendinopathy may be indicated.[2]
Technique[2][edit | edit source]
FADER:
- Patient lies in supine.
- Bring the hip into passive flexion to 90°.
- Then passively adduct and externally rotated the hip to end range.
Interpretation: Pain reproduction indicates a positive test result. The test can be continued on by adding resisted isometric internal rotation. This is called the FADER-R test.
FADER-R:
- Patient lies supine in the FABER's position.
- Patient isometrically resist against internal rotation.
Interpretation:Pain reproduction indicates a positive test result.
Evidence[edit | edit source]
The FADER test has a sensitivity of 0.3 and specificity of 0.867[2]. The FADER-R test has a higher sensitivity of 0.44 and specificity of 0.933, suggesting that active resistance effectively increases tensile and compressive load, which increases validity of the test[2].
Clinical Relevance[edit | edit source]
Due to the low sensitivity and high speificity of the FADER test, a positive test can effectively help us rule in the presence of gluteal tendinopathy. However, a negative test does not completely exclude the condition[2]. Moreover, it is unclear whether one single test can be used isolatedly to accurately diagnose gluteal tendinopthy[3]. Therefore, a combination of assessment tools, such as patient history, physical exam (e.g., palpation, FABER test, Ober's test, single leg stance etc) and imaging, is needed for comprehensive evaluation of the condition[3].
References[edit | edit source]
- ↑ 1.0 1.1 Sunil Kumar, Karadi Hari, et al. “Pathogenesis and Contemporary Diagnoses for Lateral Hip Pain: A Scoping Review.” Knee Surgery, Sports Traumatology, Arthroscopy, vol. 29, no. 8, 19 Dec. 2020, pp. 2408–2416, https://doi.org/10.1007/s00167-020-06354-1.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Grimaldi, Alison, et al. “Utility of Clinical Tests to Diagnose MRI-Confirmed Gluteal Tendinopathy in Patients Presenting with Lateral Hip Pain.” British Journal of Sports Medicine, vol. 51, no. 6, 15 Sept. 2016, pp. 519–524, https://doi.org/10.1136/bjsports-2016-096175.
- ↑ 3.0 3.1 Grimaldi, Alison, et al. “Gluteal Tendinopathy: A Review of Mechanisms, Assessment and Management.” Sports Medicine, vol. 45, no. 8, 13 May 2015, pp. 1107–1119, https://doi.org/10.1007/s40279-015-0336-5.
