Feiss Line Test
Other Names
- Feiss Line Test
- Feiss Line Sign
- Modified Feiss Line Test
- Medial Longitudinal Arch Test
- Navicular Alignment Test
- Pes Planus Grading Test
- Feiss Arch Test
- Static Arch Evaluation
Purpose
- Evaluate the Medial Longitudinal Arch of the foot
- First described in 1909 by Feiss[4]
Description
- The patient is standing/ weight bearing
- Mark the following landmarks on the medial foot
- Head of first metatarsal bone
- Navicular tuberosity
- Center of the medial malleolus
- Draw a line between the head of the first metatarsal and medial malleolus
- Normal
- The navicular mark lands along the line
- Abnormal
- Slightly below: First-degree pes planus
- Moderately below: Second-degree pes planus
- Significantly below: Third-degree pes planus
Pathology
Evidence
- Unknown
See Also
References
- ↑ Nilsson, Mette Kjærgaard, et al. "Classification of the height and flexibility of the medial longitudinal arch of the foot." Journal of foot and ankle research 5 (2012): 1-9.
- ↑ Beynnon, Bruce D., et al. "Ankle ligament injury risk factors: a prospective study of college athletes." Journal of orthopaedic research 19.2 (2001): 213-220.
- ↑ Coons, John M., et al. "Preparticipatory Physical Examinations and Marfan Syndrome." athletic therapy today 14.2 (2009).
- ↑ Feiss, Henry O. "A simple method of estimating the common varitions and deformities of the foot. 1." The American Journal of the Medical Sciences (1827-1924) 138.2 (1909): 213.
Created by:
John Kiel on 8 May 2025 18:14:27
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Last edited:
29 October 2025 12:52:50
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