{"id":6233,"date":"2026-07-29T08:38:13","date_gmt":"2026-07-29T05:38:13","guid":{"rendered":"https:\/\/annual.nsa.bg\/en\/annual-of-nsa-2025-issue-2-2\/"},"modified":"2026-07-29T10:21:43","modified_gmt":"2026-07-29T07:21:43","slug":"annual-nsa-2026-issue-1","status":"publish","type":"page","link":"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/","title":{"rendered":"Annual of NSA 2026 – Issue 1"},"content":{"rendered":"\t\t
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CONTENTS<\/h3>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\"pdfAssessment of the individual competitive efficiency of the best 14-15-year-old basketball players from the CSKA team (Sofia)<\/strong><\/a>
Yavor Asparuhov ………………………………………. <\/em>5<\/p>

\"pdfAnalysis of the functional load of the throwing arm in female handball players using infrared thermography during a training session<\/strong><\/a>
Emil Avramov, Milena Avramova, Dimitar Asenov, Kalin Dimitrov …………………………… <\/em>21<\/p>

\"pdfConditional abilities development through practicing minibasketball and minihandball<\/a> <\/b>
Georgi Brestnichki ………………………………………………………. 31<\/p>

\"pdfAssessment of physical development and athletic performance in 12-year-old female basketball players<\/a><\/b>
Nanka Biberova, Maria Tzankova-Kaloyanova ………………………………………………….. 41<\/p>

\"pdfMorphofunctional characteristics and playing efficiency in defense in 11-year-old handball players<\/a><\/strong>
Georgi Avramov …………………………………………………… 48<\/p>

\"pdfSurvey study on the need for objective criteria in orienting youth volleyball players to playing positions<\/strong><\/a>
Ivan Kolev, Vladimir Kotev ………………………………………………………… 57<\/p>

\"pdfStudy of the morphological status in adolescent handball goalkeepers
<\/a><\/strong>Milena Avramova, Stancho Stanev …………………. 72<\/p>

\"pdfThe effect of unified basketball on athletic training, emotional state, and social adaptation of athletes with intellectual disabilities<\/strong><\/a>
Darina Chimeva, Denislav Borukov ……………………. 80<\/p>

\"pdfMean values and variability of specific preparedness indicators in beach handball players<\/strong><\/a>
Emil Avramov, Tefik Parafitov ……………….. 96<\/p>

\"pdfBody composition and functional condition of the female volleyball players of VC CSKA<\/strong><\/a>
Georgi Birbochukov, Vladimir Kotev, Ivan Kolev ……………………… 103<\/p>

\"pdfSchool sports in Bulgaria \u2013 current situation, perspectives, and the future<\/strong><\/a>
Evelina Staikova ………………….. 111<\/p>

\"pdfRelationships between the \u201cElite athlete\u201d stigma and psychological well-being among elite Bulgarian athletes<\/strong><\/a>
Petya Petrova-Whelan, Tatiana Iancheva …………….. 124<\/p>

\"pdfRelationship between motivational climate and collective efficacy in team sports<\/strong><\/a>
Dragan Bozhilov …………….. 134<\/p>

\"pdfInterests in participating in sports activities of second-course students at the National Sports Academy<\/strong><\/a>
Krasimira Petkova …………….. 148<\/p>

\"pdfPhysical exercises as prevention for strengthening the pelvic floor<\/strong><\/a>
Adelina Andonova, Anelia Todorova, Silvia Terzieva …………….. 164<\/p>

\"pdfChronotype and social jetlag \u2013 clock synchronization<\/strong><\/a>
Mariya Zaharinova, Nikolay Zaekov …………….. 178<\/p>

\"pdfInfluence of a specialized training program on the technical and physical preparation of Greco-Roman wrestlers aged 12-15<\/strong><\/a>
Rasho Makaveev, Stefan Toshev …………….. 190<\/p>

\"pdfInfluence of selected footwork techniques on the efficiency of sport climbing movement<\/strong><\/a>
Stanislava Lambreva …………….. 204<\/p>

\"pdfAnalysis of the turn in 100 m freestyle swimming in 12\u201318-year-old competitors<\/strong><\/a>
Yancho Stoychev …………….. 216<\/p>

\"pdfManagement and control of training load in Greco-Roman wrestlers<\/strong><\/a>
Stefan Toshev …………….. 229<\/p>

\"pdfIndividualization by playing positions in the preparation of a university women’s volleyball team<\/strong><\/a>
Lachezar Rangelov …………….. 240<\/p>

\"pdfTechnical and tactical analysis of the performance of Bulgaria and the final four at the 2025 Men\u2019s Volleyball World Championship<\/strong><\/a>
Milena Lazarova-Peeva …………….. 252<\/p>

\"pdfA study of the motor readiness of preschool-aged children who play mini-basketball<\/strong><\/a>
Manuel Markov …………….. 266<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"Annual\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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CONTENTS Assessment of the individual competitive efficiency of the best 14-15-year-old basketball players from the CSKA team (Sofia)Yavor Asparuhov ………………………………………. 5 Analysis of the functional load of the throwing arm in female handball players using infrared thermography during a training sessionEmil Avramov, Milena Avramova, Dimitar Asenov, Kalin Dimitrov …………………………… 21 Conditional abilities development through practicing […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6233","page","type-page","status-publish","hentry"],"yoast_head":"\nAnnual of NSA 2026 - Issues 1<\/title>\n<meta name=\"description\" content=\"The Annual of the National Sports Academy "Vassil Levski" \u2013 Sofia (1\/2026) features papers by authors from the following departments: "Basketball, Volleyball, and Handball"; "Wrestling and Judo"; "Theory and Methodology of Physical Education and Sport"; "Psychology, Pedagogy, and Sociology"; "Physiology and Biochemistry"; "Theory of Sport"; and the Department of "Radio Communications and Video Technologies" at the Technical University of Sofia.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Annual of NSA 2026 - Issues 1\" \/>\n<meta property=\"og:description\" content=\"The Annual of the National Sports Academy "Vassil Levski" \u2013 Sofia (1\/2026) features papers by authors from the following departments: "Basketball, Volleyball, and Handball"; "Wrestling and Judo"; "Theory and Methodology of Physical Education and Sport"; "Psychology, Pedagogy, and Sociology"; "Physiology and Biochemistry"; "Theory of Sport"; and the Department of "Radio Communications and Video Technologies" at the Technical University of Sofia.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/\" \/>\n<meta property=\"og:site_name\" content=\"Annual of National Sports Academy "Vassil Levski"\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/nsabg\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-29T07:21:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/annual.nsa.bg\/en\/wp-content\/uploads\/2024\/10\/pdf-icon.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/\",\"url\":\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/\",\"name\":\"Annual of NSA 2026 - Issues 1\",\"isPartOf\":{\"@id\":\"https:\/\/annual.nsa.bg\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/annual.nsa.bg\/en\/annual-nsa-2026-issue-1\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/annual.nsa.bg\/en\/wp-content\/uploads\/2024\/10\/pdf-icon.png\",\"datePublished\":\"2026-07-29T05:38:13+00:00\",\"dateModified\":\"2026-07-29T07:21:43+00:00\",\"description\":\"The Annual of the National Sports Academy \\\"Vassil Levski\\\" \u2013 Sofia (1\/2026) features papers by authors from the following departments: \\\"Basketball, Volleyball, and Handball\\\"; 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