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• Biomechanical recovery factors in non-surgically treated ruptured Achilles tendons : Biomechanics of the Achilles tendon after rupture 

  Khair, Raad (Jyväskylän yliopisto, 2023)

  Achilles tendon rupture (ATR) is a frequent and disabling injury. In the last decade the incidence of ATR has been increasing especially in middle aged men participating in recreational sports. Plantar flexion strength ...

• Conditioning hops increase triceps surae muscle force and Achilles tendon strain energy in the stretch-shortening cycle 

  Kümmel, Jakob; Cronin, Neil; Kramer, Andreas; Avela, Janne; Gruber, Markus (John Wiley & Sons Ltd, 2018)

  Postactivation potentiation can improve athletic performance, but the underlying mechanisms are poorly understood. This study investigated the effect of conditioning hops on triceps surae muscle force and tendon strain and ...

• Non‐uniform displacement within ruptured Achilles tendon during isometric contraction 

  Khair, Ra’ad M.; Stenroth, Lauri; Péter, Annamária; Cronin, Neil J.; Reito, Aleksi; Paloneva, Juha; Finni, Taija (Wiley, 2021)

  The purpose of this study was investigate tendon displacement patterns in non‐surgically treated patients 14 months after acute Achilles tendon rupture (ATR) and to classify patients into groups based on their Achilles ...

• Exploration of muscle–tendon biomechanics one year after Achilles tendon rupture and the compensatory role of flexor hallucis longus 

  Khair, Ra'ad M.; Stenroth, Lauri; Cronin, Neil J.; Ponkilainen, Ville; Reito, Aleksi; Finni, Taija (Elsevier, 2023)

  Achilles tendon (AT) rupture leads to long-term structural and functional impairments. Currently, the predictors of good recovery after rupture are poorly known. Thus, we aimed to explore the interconnections between ...

• In vivo localized gastrocnemius subtendon representation within the healthy and ruptured human Achilles tendon 

  Khair, Raad M.; Stenroth, Lauri; Cronin, Neil J.; Reito, Aleksi; Paloneva, Juha; Finni, Taija (American Physiological Society, 2022)

  The Achilles tendon (AT) is composed of three distinct in-series elastic subtendons, arising from different muscles in the triceps surae. Independent activation of any of these muscles is thought to induce sliding between ...