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  • Title: Torque acceleration energy, power and peak torque in thigh muscles after a previous knee sprain.
    Author: Kannus VP, Latvala K.
    Journal: Can J Sport Sci; 1989 Jun; 14(2):103-6. PubMed ID: 2736438.
    Abstract:
    This investigation assessed the relationship between the isometric and isokinetic peak torque (PT) (speed of movement 0, 60, and 180 degrees(s) and (I) the peak torque acceleration energy (PTAE), and (2) average power (AP) of multiple contractions (180 degrees/s) of the quadriceps and hamstrings in subjects with a past history of a grade I knee injury. At every test speed the Pearson product moment (r) and the Spearman rank (rs) correlation coefficients between the PT and PTAE were significant (p less than .001) for both muscle groups in the uninjured (r = .83-.97, rs = .84-.97) as well as in the injured (r = .86-.95, rs = .86-.95) Knees. The results were similar in comparison of PT and AP (uninjured: r = .81-.97, rs = .81 -.97; injured: r = .82-.98, rs = .83-.98). The PTAE and AP analyses offer little additional information about thigh muscle function to that obtained through more simple measurements, the PT analysis.
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