quadriceps femoris


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

quadriceps femoris

[′kwä·drə‚seps ′fem·ə·rəs]
(anatomy)
The large extensor muscle of the thigh, combining the rectus femoris and vastus muscles.
References in periodicals archive ?
2002b) Mechianism of quadriceps femoris muscle weakness in patients with anterior cruciate ligament reconstruction.
Following the deposition of the bupivacaine solution at the block site, significant weakness of quadriceps femoris was observed in an equal number of patients in either group, as 30 patients in each group were unable to extend their knees against the gravity (Table 5).
Q angle is the acute angle on the point where quadriceps femoris axis and patellar tendon axis intersect (Livingston,1998).
The advantages of backward pedaling within 45 degrees of knee flexion are the patella acts a pulley by increasing the moment arm of quadriceps femoris, the tibiofemoral and patellofemoral compressive loads are less, helps the person to do the pedaling without pain.
Patella ligament (patella tendon)--This consists of the central portion of the tendon of Quadriceps femoris continuing from the patella down to the tuberosity of the tibia.
Quadriceps femoris electromyogram during concentric, isometric and eccentric phases of fatiguing dynamic knee extensions.
15) reported that a 12-week focused resistance training program resulted in greater increases in quadriceps femoris and gluteus maximus muscle volume and function than standard rehabilitation.
Los valores de perdida en el descongelado fueron mas bajos para Triceps brachii y mas altos para Longissimus lumborum, Gluteus medius, Semimembranosus, Adductor y Quadriceps femoris (Cuadro 2, p < 0.
Quadriceps femoris SEMG consequent to alterations in contraction intensity and velocity, unpublished data.
Posttraumatic extension contracture of knee joint with expressed changes of quadriceps femoris muscle is treated in most cases only by operative methods.
In the study [15] of influence of contraction intensity and muscle on median frequency of the quadriceps femoris (QF) where found that distinct differences in QF muscle structure and function are clearly apparent, as outlined.