Objectives To explore the biological and biomechanical property of muscle strain injury.

目的探讨骨骼肌牵拉伤的生物学与生物力学特性。

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The most common injury is muscle strain, Spang said.

斯潘说最为常见的伤是肌肉拉伤。

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Muscle strain can by accompanied by muscle spasms, as the body tries to stabilize the injury.

肌肉扭伤会伴随着肌痉挛，这是人体试图使受伤处稳定。

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Wright was diagnosed with a moderate strain of the intercostal muscle on his left side Friday, an injury that may have been exacerbated by his presence in the WBC.

WSJ: Wright's Injury Puts Mets In 'World' of Pain

The extent of disbility from the injury as well as the speed of recovery depends on the grade of muscle strain.

FORBES: Could Intercostal Strain Affect David Wright's Opening Day?

England are already without Tim Bresnan , who returned early with a calf strain, although Stuart Broad is back in the squad after missing three Ashes Tests with a stomach muscle injury.

BBC: Injured Graeme Swann to miss England ODIs in Australia