Arc Sign
Other Names
- Arc Sign
- Arc Test
Purpose
- Evaluate the achilles tendon as the cause of the patients pain
Description
- The patient lies on the examination table prone
- Palpate the achilles tendon distal to proximal, feeling for localized thickening
- When the area of greatest pain/swelling is identified
- Ask the patient to dorsiflex and plantarflex the ankle
- Positive Test
- Localized area of swelling/ pain moves with plantarflexion/dorsiflexion
Pathology
Evidence
- Hutchison et al[2]
- Sensitivity 25%
- Specificity 100%
- Reiman et al SR/MA[3]
- Sensitivity: 42%
- Specificity: 88%
See Also
References
- ↑ Santacaterina, Fabio, et al. "An overview of Achilles tendinopathy management." Osteology 1.4 (2021): 175-186.
- ↑ Hutchison, Anne-Marie, et al. "What is the best clinical test for Achilles tendinopathy?." Foot and ankle surgery 19.2 (2013): 112-117.
- ↑ Reiman, Michael, et al. "The utility of clinical measures for the diagnosis of achilles tendon injuries: a systematic review with meta-analysis." Journal of athletic training 49.6 (2014): 820-829.
Created by:
John Kiel on 15 February 2025 01:24:09
Authors:
Last edited:
27 October 2025 23:26:07
Category: