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An electromyographic analysis of quadriceps femoris muscle setting and straight leg raising.
Phys Ther. 1983 Sep; 63(9):1434-8.PT

Abstract

Physical therapists routinely advise patients to perform quadriceps femoris muscle setting or straight leg raising or both following knee surgery or trauma from knee injury. Little information exists, however, about the intensity of effort required from knee and hip musculature during the exercises. This study was designed to compare the level of electromyographic activity during maximally resisted straight leg raises with the level during quadriceps femoris muscle setting exercises for the vastus medialis, rectus femoris, gluteus medius, and biceps femoris muscles. Forty healthy young adult men and women performed randomly ordered trials of each exercise in the supine position. Electromyographic activity was recorded from surface electrodes and normalized to values derived from maximal isometric trials. Statistical analysis demonstrated significantly greater (p less than .0001) vastus medialis, biceps femoris, and gluteus medius muscle activity during quadriceps femoris muscle setting. The rectus femoris muscle was significantly more active (p less than .0001) during the straight leg raise. The study demonstrated remarkably different muscle activation levels between the exercises studied and clearly indicates that selection of the exercises needs to be based on the therapeutic objectives.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

6611665

Citation

Soderberg, G L., and T M. Cook. "An Electromyographic Analysis of Quadriceps Femoris Muscle Setting and Straight Leg Raising." Physical Therapy, vol. 63, no. 9, 1983, pp. 1434-8.
Soderberg GL, Cook TM. An electromyographic analysis of quadriceps femoris muscle setting and straight leg raising. Phys Ther. 1983;63(9):1434-8.
Soderberg, G. L., & Cook, T. M. (1983). An electromyographic analysis of quadriceps femoris muscle setting and straight leg raising. Physical Therapy, 63(9), 1434-8.
Soderberg GL, Cook TM. An Electromyographic Analysis of Quadriceps Femoris Muscle Setting and Straight Leg Raising. Phys Ther. 1983;63(9):1434-8. PubMed PMID: 6611665.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An electromyographic analysis of quadriceps femoris muscle setting and straight leg raising. AU - Soderberg,G L, AU - Cook,T M, PY - 1983/9/1/pubmed PY - 1983/9/1/medline PY - 1983/9/1/entrez SP - 1434 EP - 8 JF - Physical therapy JO - Phys Ther VL - 63 IS - 9 N2 - Physical therapists routinely advise patients to perform quadriceps femoris muscle setting or straight leg raising or both following knee surgery or trauma from knee injury. Little information exists, however, about the intensity of effort required from knee and hip musculature during the exercises. This study was designed to compare the level of electromyographic activity during maximally resisted straight leg raises with the level during quadriceps femoris muscle setting exercises for the vastus medialis, rectus femoris, gluteus medius, and biceps femoris muscles. Forty healthy young adult men and women performed randomly ordered trials of each exercise in the supine position. Electromyographic activity was recorded from surface electrodes and normalized to values derived from maximal isometric trials. Statistical analysis demonstrated significantly greater (p less than .0001) vastus medialis, biceps femoris, and gluteus medius muscle activity during quadriceps femoris muscle setting. The rectus femoris muscle was significantly more active (p less than .0001) during the straight leg raise. The study demonstrated remarkably different muscle activation levels between the exercises studied and clearly indicates that selection of the exercises needs to be based on the therapeutic objectives. SN - 0031-9023 UR - https://www.unboundmedicine.com/medline/citation/6611665/An_electromyographic_analysis_of_quadriceps_femoris_muscle_setting_and_straight_leg_raising_ L2 - https://academic.oup.com/ptj/article-lookup/doi/10.1093/ptj/63.9.1434 DB - PRIME DP - Unbound Medicine ER -