Toe Spread Test
Original Editor - Syeda Bushra Zehra Zaidi
Top Contributors - Syeda Bushra Zehra Zaidi
Purpose
The Toe Spread Test is a simple clinical evaluation used to assess the flexibility, mobility, and strength of the foot, particularly the muscles responsible for spreading the toes. The test is often used to evaluate foot function and to detect abnormalities in foot posture or alignment, which can contribute to various conditions such as plantar fasciitis, bunions, and flat feet. It can also be used in the context of assessing muscle imbalances or the effects of footwear and orthotic devices.[1]
In addition, the test can offer insights into the ability of the intrinsic foot muscles (those that control toe movements) to activate and coordinate properly, which plays a crucial role in balance and overall foot health.[2][3]
Technique
To perform the Toe Spread Test, follow these steps:
- Positioning the Subject: Have the individual sit comfortably with their feet flat on the floor. Alternatively, they can sit with their legs extended in front of them if that is easier for them.
- Starting Position: Ask the person to relax and place their feet in a neutral position, with the toes pointing straight ahead.
- Performing the Test: Instruct the individual to attempt to spread their toes as far apart as possible, aiming to separate the big toe from the rest of the toes and the smaller toes from each other.
- Observation: Observe the movement. Ideally, the person should be able to spread the toes evenly, with the arch of the foot slightly lifting. Any difficulty or inability to spread the toes can indicate weakness or poor activation of the intrinsic foot muscles.
- Variation: You may also assess the difference in ability to spread the toes on one foot compared to the other, which could indicate asymmetry or potential muscle imbalances.[4]
Evidence
Numerous studies have shown that the ability to spread the toes is associated with better foot health. A few key findings include:
- Intrinsic Foot Muscle Activation: Research has highlighted that people with better toe spread and greater intrinsic foot muscle activation tend to have better postural control, balance, and alignment. A lack of toe spreading may indicate weakened or underdeveloped intrinsic muscles.[6]
- Foot Disorders: There is evidence suggesting that people with conditions like flat feet, bunions, or plantar fasciitis often struggle with toe spreading. For instance, individuals with hallux valgus (bunion deformities) may experience limited range of motion in the toes, making the test more difficult.[7]
- Foot Health and Performance: Studies also suggest that the ability to spread the toes is important for effective force distribution during walking and running. Healthy toe mobility allows for better push-off and stabilization during gait, reducing the risk of injury.[8][4]
- Footwear and Toe Spread: Research into the effects of footwear shows that shoes with narrow toe boxes may limit the ability to spread the toes, potentially leading to weakened muscles and long-term foot issues. On the other hand, barefoot activities can help improve toe mobility and strength.[8]
Reference
- ↑ Fishkin MV, Fomenko MV, Schermann H, Haggai S. First clinical experience of a new surgical technique including correction of bony alignment of first foot ray combined with reconstruction of muscle balance in case of adolescent hallux valgus. Pediatric Traumatology, Orthopaedics and Reconstructive Surgery. 2021 Jul 9;9(2):183-93.
- ↑ Okamura K, Egawa K, Okii A, Oki S, Kanai S. Intrinsic foot muscle strengthening exercises with electromyographic biofeedback achieve increased toe flexor strength in older adults: A pilot randomized controlled trial. Clinical Biomechanics. 2020 Dec 1;80:105187.
- ↑ Rodríguez-Sanz D, Tovaruela-Carrión N, López-López D, Palomo-López P, Romero-Morales C, Navarro-Flores E, Calvo-Lobo C. Foot disorders in the elderly: A mini-review. Disease-a-Month. 2018 Mar 1;64(3):64-91.
- ↑ 4.0 4.1 Gooding TM, Feger MA, Hart JM, Hertel J. Intrinsic foot muscle activation during specific exercises: a T2 time magnetic resonance imaging study. Journal of athletic training. 2016 Aug 1;51(8):644-50.
- ↑ @tomohalloran.Teo Spread Test. Available from: https://youtube.com/shorts/AvnQAgjaz6k?si=PlwYxywcOADaDIyz [last accessed 6/6/2023]
- ↑ Fraser JJ, Hertel J. Effects of a 4-week intrinsic foot muscle exercise program on motor function: a preliminary randomized control trial. Journal of sport rehabilitation. 2019 May 1;28(4):339-49.
- ↑ Kobayashi T, Hirota K, Otsuki R, Onodera J, Kodesho T, Taniguchi K. Morphological and mechanical characteristics of the intrinsic and extrinsic foot muscles under loading in individuals with flat feet. Gait & Posture. 2024 Feb 1;108:15-21.
- ↑ 8.0 8.1 Cucuzzella M. Pediatric Footwear. Athletic Footwear and Orthoses in Sports Medicine. 2017:433-40.