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Accentuated Eccentric Loading for Training and Performance: A Review
Accentuated eccentric loading (AEL) prescribes eccentric load magnitude in excess of the concentric prescription using movements that require coupled eccentric and concentric actions, with minimal interruption to natural mechanics. This method has been theorized to potentiate concentric performance...
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| Published in: | Sports medicine (Auckland) 2017-12, Vol.47 (12), p.2473-2495 |
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| Main Authors: | , , , , , , , |
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| container_end_page | 2495 |
| container_issue | 12 |
| container_start_page | 2473 |
| container_title | Sports medicine (Auckland) |
| container_volume | 47 |
| creator | Wagle, John P. Taber, Christopher B. Cunanan, Aaron J. Bingham, Garett E. Carroll, Kevin M. DeWeese, Brad H. Sato, Kimitake Stone, Michael H. |
| description | Accentuated eccentric loading (AEL) prescribes eccentric load magnitude in excess of the concentric prescription using movements that require coupled eccentric and concentric actions, with minimal interruption to natural mechanics. This method has been theorized to potentiate concentric performance through higher eccentric loading and, thus, higher concentric force production. There is also evidence for favorable chronic adaptations, namely shifts to faster myosin heavy chain isoforms and changes in IIx-specific muscle cross-sectional area. However, research concerning the acute and chronic responses to AEL is inconclusive, likely due to inconsistencies in subjects, exercise selection, load prescription, and method of providing AEL. Therefore, the purpose of this review is to summarize: (1) the magnitudes and methods of AEL application; (2) the acute and chronic implications of AEL as a means to enhance force production; (3) the potential mechanisms by which AEL enhances acute and chronic performance; and (4) the limitations of current research and the potential for future study. |
| doi_str_mv | 10.1007/s40279-017-0755-6 |
| format | article |
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This method has been theorized to potentiate concentric performance through higher eccentric loading and, thus, higher concentric force production. There is also evidence for favorable chronic adaptations, namely shifts to faster myosin heavy chain isoforms and changes in IIx-specific muscle cross-sectional area. However, research concerning the acute and chronic responses to AEL is inconclusive, likely due to inconsistencies in subjects, exercise selection, load prescription, and method of providing AEL. Therefore, the purpose of this review is to summarize: (1) the magnitudes and methods of AEL application; (2) the acute and chronic implications of AEL as a means to enhance force production; (3) the potential mechanisms by which AEL enhances acute and chronic performance; and (4) the limitations of current research and the potential for future study.</description><identifier>ISSN: 0112-1642</identifier><identifier>EISSN: 1179-2035</identifier><identifier>DOI: 10.1007/s40279-017-0755-6</identifier><identifier>PMID: 28681170</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Adaptation ; Adaptation, Physiological - physiology ; Athletic Performance - physiology ; Athletic recruitment ; Eccentricity ; Exercise - physiology ; Gene expression ; Humans ; Insulin-like growth factors ; Isoforms ; Load ; Male ; Medicine ; Medicine & Public Health ; Methods ; Muscle Contraction - physiology ; Muscle, Skeletal - anatomy & histology ; Muscle, Skeletal - physiology ; Muscles ; Musculoskeletal system ; Myosin ; Physical Education and Training - methods ; Researchers ; Review Article ; Sports Medicine ; Strength training ; Weight-Bearing - physiology</subject><ispartof>Sports medicine (Auckland), 2017-12, Vol.47 (12), p.2473-2495</ispartof><rights>Springer International Publishing AG 2017</rights><rights>Copyright Springer Science & Business Media Dec 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-3c4f05093b80099f376fb3e22146bf96f8fdc1ec60334c2d212632353645ea413</citedby><cites>FETCH-LOGICAL-c372t-3c4f05093b80099f376fb3e22146bf96f8fdc1ec60334c2d212632353645ea413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28681170$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wagle, John P.</creatorcontrib><creatorcontrib>Taber, Christopher B.</creatorcontrib><creatorcontrib>Cunanan, Aaron J.</creatorcontrib><creatorcontrib>Bingham, Garett E.</creatorcontrib><creatorcontrib>Carroll, Kevin M.</creatorcontrib><creatorcontrib>DeWeese, Brad H.</creatorcontrib><creatorcontrib>Sato, Kimitake</creatorcontrib><creatorcontrib>Stone, Michael H.</creatorcontrib><title>Accentuated Eccentric Loading for Training and Performance: A Review</title><title>Sports medicine (Auckland)</title><addtitle>Sports Med</addtitle><addtitle>Sports Med</addtitle><description>Accentuated eccentric loading (AEL) prescribes eccentric load magnitude in excess of the concentric prescription using movements that require coupled eccentric and concentric actions, with minimal interruption to natural mechanics. 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This method has been theorized to potentiate concentric performance through higher eccentric loading and, thus, higher concentric force production. There is also evidence for favorable chronic adaptations, namely shifts to faster myosin heavy chain isoforms and changes in IIx-specific muscle cross-sectional area. However, research concerning the acute and chronic responses to AEL is inconclusive, likely due to inconsistencies in subjects, exercise selection, load prescription, and method of providing AEL. 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| source | Springer Nature |
| subjects | Adaptation Adaptation, Physiological - physiology Athletic Performance - physiology Athletic recruitment Eccentricity Exercise - physiology Gene expression Humans Insulin-like growth factors Isoforms Load Male Medicine Medicine & Public Health Methods Muscle Contraction - physiology Muscle, Skeletal - anatomy & histology Muscle, Skeletal - physiology Muscles Musculoskeletal system Myosin Physical Education and Training - methods Researchers Review Article Sports Medicine Strength training Weight-Bearing - physiology |
| title | Accentuated Eccentric Loading for Training and Performance: A Review |
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