Carlos Romero-Morales1, Pedro Javier Martín-Llantino1, César Calvo-Lobo2, Patricia Palomo-López3, Daniel López-López4, Helios Pareja-Galeano1, David Rodríguez-Sanz5. 1. Faculty of Sports Sciences, European University of Madrid, Villaviciosa de Odón, Madrid, Spain. 2. Nursing and Physical Therapy Department, Institute of Biomedicine (IBIOMED), Faculty of Health Sciences, Universidad de León, Ponferrada, Spain. 3. University Center of Plasencia, University of Extremadura, Plasencia, Spain. 4. Department of Health Sciences, Research, Health and Podiatry Unit, Faculty of Nursing and Podiatry, Universidade da Coruña, Ferrol, Spain. Electronic address: daniellopez@udc.es. 5. Faculty of Sports Sciences, European University of Madrid, Villaviciosa de Odón, Madrid, Spain; Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Madrid, Spain.
Abstract
AIM: The aim of the present study was to evaluate and quantify with ultrasound imaging (USI) the Achilles tendon thickness, cross-sectional area (CSA), Kager's fat pad length and gastrocnemius-soleus pennation angle (PA) between chronic mid-portion Achilles tendinopathy (AT) and healthy subjects. METHODS: A total sample of 143 individuals (age: 41.3 ± 12.0 y; height: 1.74 ± 0.0 m; weight: 75.0 ± 11.4 kg; body mass index, BMI: 24.4 ± 2.6 kg/m2) was recruited and divided in two groups: chronic mid-portion AT group (n = 71) and a healthy group (n = 72). RESULTS: The thickness and CSA at 4 cm and 6 cm from the calcaneus was increased showing statistically significant differences (P < .01) in favor the tendinopathy group. For the gastrocnemius-soleus PA and Kager's fat pad length, significant differences (P < .01) were observed for a decrease in favor of the tendinopathy group. CONCLUSIONS: This study reported an increase of Achilles tendon thickness and CSA at 4 cm and 6 cm from the calcaneus as well as a decrease in gastrocnemius-soleus PA and Kager's fat pad length in patients with chronic mid-portion AT.
AIM: The aim of the present study was to evaluate and quantify with ultrasound imaging (USI) the Achilles tendon thickness, cross-sectional area (CSA), Kager's fat pad length and gastrocnemius-soleus pennation angle (PA) between chronic mid-portion Achilles tendinopathy (AT) and healthy subjects. METHODS: A total sample of 143 individuals (age: 41.3 ± 12.0 y; height: 1.74 ± 0.0 m; weight: 75.0 ± 11.4 kg; body mass index, BMI: 24.4 ± 2.6 kg/m2) was recruited and divided in two groups: chronic mid-portion AT group (n = 71) and a healthy group (n = 72). RESULTS: The thickness and CSA at 4 cm and 6 cm from the calcaneus was increased showing statistically significant differences (P < .01) in favor the tendinopathy group. For the gastrocnemius-soleus PA and Kager's fat pad length, significant differences (P < .01) were observed for a decrease in favor of the tendinopathy group. CONCLUSIONS: This study reported an increase of Achilles tendon thickness and CSA at 4 cm and 6 cm from the calcaneus as well as a decrease in gastrocnemius-soleus PA and Kager's fat pad length in patients with chronic mid-portion AT.
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