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Medication administered via intramuscular injection is not subject to the first-pass metabolism effect which affects oral medications. Common sites for intramuscular injections include the deltoid muscle of the upper arm and the gluteal muscle of the buttock. In infants, the vastus lateralis muscle of the thigh is commonly used. The injection ...
The most common cause is an iatrogenic injury during hip surgery or an intramuscular injection. Lesions of the inferior gluteal nerve occur through iatrogenic injuries like surgery, trauma, hernias, or pelvic tumors. This condition may result in a functional deficiency of the gluteus maximus muscle, leading to difficulties climbing the stairs ...
The notch holds the piriformis, the superior gluteal vein and artery, and the superior gluteal nerve; the inferior gluteal vein and artery and the inferior gluteal nerve; the sciatic and posterior femoral cutaneous nerves; the internal pudendal artery and veins, and the nerves to the internal obturator and quadratus femoris muscles.
The anterior gluteal line is the middle curved gluteal line on the hip bone. It is the longest of the three gluteal lines, begins at the iliac crest , about 4 cm. behind its anterior extremity, and, taking a curved direction downward and backward, ends at the upper part of the greater sciatic notch.
The buttocks are formed by the masses of the gluteal muscles or "glutes" (the gluteus maximus muscle and the gluteus medius muscle) superimposed by a layer of fat. The superior aspect of the buttock ends at the iliac crest , and the lower aspect is outlined by the horizontal gluteal crease .
Anatomical terms of bone [ edit on Wikidata ] The ischial tuberosity (or tuberosity of the ischium , tuber ischiadicum ), also known colloquially as the sit bones or sitz bones , [ 1 ] or as a pair the sitting bones , [ 2 ] is a large posterior bony protuberance on the superior ramus of the ischium .
The other gluteal muscles are the medius and minimus, and sometimes informally these are collectively referred to as the glutes. Its large size is one of the most characteristic features of the muscular system in humans, [ 2 ] connected as it is with the power of maintaining the trunk in the erect posture.
The needle is inserted through the bone's hard cortex and into the soft marrow interior, which allows immediate access to the vascular system. The IO needle is positioned at a 90-degree angle to the injection site, and is advanced through manual traction, impact driven force, or power driven.