{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T05:20:24Z","timestamp":1769836824580,"version":"3.49.0"},"reference-count":38,"publisher":"PeerJ","license":[{"start":{"date-parts":[[2022,4,18]],"date-time":"2022-04-18T00:00:00Z","timestamp":1650240000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec>\n               <jats:title>Background<\/jats:title>\n               <jats:p>Balance and strength training are frequent strategies to address lower limb injuries, including ankle injuries, which are usually performed in single-leg stance on global instability devices, producing generalized muscular activation of the lower limb. In this context, new specific instability devices arise from the need to selectively work the ankle, specifically the peroneus longus. This study aimed to compare the EMG muscle activation of the peroneus longus, as well as other lower limbs muscles, in a single-leg stance on different balance training devices (BOSU, wobble board, power board, and Blackboard) in standing or squatting positions.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Methods<\/jats:title>\n               <jats:p>Twenty healthy recreationally trained subjects participated in the study. Subjects performed three repetitions of 15 s (one for familiarization and two for measurement) in standing and squatting positions on the floor, BOSU, wobble board, power board, and Blackboard. Surface electromyography (EMG) was used to record activity of the peroneus longus, soleus, gastrocnemius medialis, tibialis anterior, rectus femoris, and gluteus maximus.<\/jats:p>\n            <\/jats:sec>\n            <jats:sec>\n               <jats:title>Results<\/jats:title>\n               <jats:p>The main outcome was that no differences were found for the peroneus longus normalized EMG, neither between devices (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.09) nor between conditions (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.11), nor in the interaction between them (<jats:italic>p<\/jats:italic>\u00a0=\u00a00.16). For the normalized EMG of the other muscles, there were multiple differences between devices and conditions. Of the devices studied, the Blackboard was the one that implied a lower activation of the lower limb muscles and a lower degree of instability, activating the peroneus longus similarly to global instability devices. The BOSU and wobble board achieved high levels of EMG muscle activation for most muscles of the lower limbs. Therefore, they should be considered as potential devices for work in highly unstable conditions or when high activation levels are sought.<\/jats:p>\n            <\/jats:sec>","DOI":"10.7717\/peerj.13317","type":"journal-article","created":{"date-parts":[[2022,4,18]],"date-time":"2022-04-18T07:00:51Z","timestamp":1650265251000},"page":"e13317","source":"Crossref","is-referenced-by-count":6,"title":["Differences in lower limb muscle activation between global and selective instability devices in single-leg stance in healthy active subjects"],"prefix":"10.7717","volume":"10","author":[{"given":"Mariana","family":"S\u00e1nchez-Barbadora","sequence":"first","affiliation":[{"name":"Physiotherapy, University of Valencia, Valencia, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alba","family":"Cuerda-Del Pino","sequence":"additional","affiliation":[{"name":"Physiotherapy, University of Valencia, Valencia, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Javier","family":"Gonz\u00e1lez-Rosal\u00e9n","sequence":"additional","affiliation":[{"name":"Physiotherapy, University of Valencia, Valencia, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noemi","family":"Moreno-Segura","sequence":"additional","affiliation":[{"name":"Physiotherapy, University of Valencia, Valencia, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adrian","family":"Escriche-Escuder","sequence":"additional","affiliation":[{"name":"Physiotherapy, University of Malaga, Malaga, Spain"},{"name":"Faculty of Health Sciences, Universidad Internacional de Valencia\u2014VIU, Valencia, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rodrigo","family":"Mart\u00edn-San Agust\u00edn","sequence":"additional","affiliation":[{"name":"Physiotherapy, University of Valencia, Valencia, 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