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Loins may refer generally to the lower area of the body, [13] much like the term "below the belt" derives from a belt worn at the waist. [ 14 ] When the long tunic of the Ancient era was the typical garment, the phrase "gird one's loins" described the process of raising and securing the lower portion of the tunic between one's legs to increase ...
The psoas major (/ ˈ s oʊ. ə s / or / ˈ s oʊ. æ s /; from Ancient Greek: ψόᾱ, romanized: psóā, lit. 'muscles of the loins') is a long fusiform muscle located in the lateral lumbar region between the vertebral column and the brim of the lesser pelvis.
The iliopsoas muscle (/ ˌ ɪ l i oʊ ˈ s oʊ. ə s /; from Latin ile 'groin' and Ancient Greek ψόᾱ (psóā) 'muscles of the loins') refers to the joined psoas major and the iliacus muscles. The two muscles are separate in the abdomen, but usually merge in the thigh. They are usually given the common name iliopsoas.
The muscle which can 'cancel' or to some degree reverse the action of the muscle. Muscle synergies are noted in parentheses when relevant. O (Occurrences) Number of times that the named muscle row occurs in a standard human body. Here it may also be denoted when a given muscles only occurs in a male or a female body.
As with all quadrupeds, the tenderloin refers to the psoas major muscle ventral to the transverse processes of the lumbar vertebrae, near the kidneys. [ 2 ] The tenderloin is an oblong shape spanning two primal cuts: the short loin (called the sirloin in Commonwealth countries) and the sirloin (called the rump in Commonwealth countries). [ 3 ]
The skeletal muscles of the lion make up 58.8% of its body weight and represent the highest percentage of muscles among mammals. [50] [51] The lion has a high concentration of fast twitch muscle fibres, giving them quick bursts of speed but less stamina. [52] [53]
The quadratus lumborum muscle originates by aponeurotic fibers into the iliolumbar ligament and the internal lip of the iliac crest for about 5 centimetres (2.0 in). It inserts from the lower border of the last rib for about half its length and by four small tendons from the apices of the transverse processes of the upper four lumbar vertebrae.
Muscle is a soft tissue, one of the four basic types of animal tissue. Muscle tissue gives skeletal muscles the ability to contract. Muscle is formed during embryonic development, in a process known as myogenesis. Muscle tissue contains special contractile proteins called actin and myosin which interact to cause movement.