rectus femoris


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rectus femoris

[′rek·təs ′fem·ə·rəs]
(anatomy)
A division of the quadriceps femoris inserting in the patella and ultimately into the tubercle of the tibia.
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sEMG of the latissimus dorsi (LD), tibialis anterior (TA), gastrocnemius lateral head (GL), rectus femoris (RF), vastus lateralis (VL), and biceps femoris (BF) were collected bilaterally and wirelessly at 3000 Hz (Trigno Delsys, MA, USA).
With the difference in muscle activation at time IR between the evaluated sessions, it was verified an increase in stimulation with 10 hippotherapy sessions, regardless of whether they were conducted once or twice a week, which was significant for the muscles gluteus medius, tensor fascia latae, rectus femoris and gastrocnemius in DG, and gluteus medius and tensor fascia latae in HG.
Next, the regions of interest (ROI) were defined on the T2 images of each portion proximal (Figure 1), medial, and distal of the following muscles: gluteus maximus, biceps femoris (long head), vastus lateralis, and rectus femoris.
Contrary to expectations, the "Healthy" group had the greatest proportion of participants who developed muscle fatigue in the erector spinae (70%), biceps femoris (40%) and rectus femoris (40%) muscles and the second highest percentage for gastrocnemius.
In situations where exposure of the joint remains inadequate, the incision may be extended proximally from inferior to superior and medial to lateral across the tendonous portion of the rectus femoris, the so called "quadriceps snip," dramatically releasing tension on the extensor mechanism.
Anatomic footprint of the direct head of the rectus femoris origin: cadaveric study and clinical series of hips after arthroscopic anterior inferior iliac spine/subspine decompression.
On the seventh postoperative day, we attached electrodes to the quadriceps muscle again to detect the bioelectric potential along the long axis of the rectus femoris muscle belly (Figure 4(a)).
We always found the major branches involved in standing (vastus medialis, vastus intermedius, and vastus lateralis nerves) centrally located, whereas the sensory branches and the branches not implicated in standing (saphenous, medial cutaneous, sartorius, and rectus femoris nerves) located in the medial or lateral part of the branching pattern.
For the rectus femoris muscle, the tape was applied from 10 cm below the anterior superior iliac spine to the superior edge of the patella (without tension).
There was increased signal intensity consistent with edema at the rectus femoris muscle and adjacent soft tissues, especially in the fat-saturated T2W images.
The five muscles are Adductor Magnus, Gluteus Maximus, Gluteus Medius, Rectus Femoris and Iliacus.
Bilateral tunnels were created beneath the rectus femoris muscle and medial thigh skin connecting the donor site and the scrotal defect.

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