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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.
While individual muscle units' contract as a unit, the entire muscle can contract on a predetermined basis due to the structure of the motor unit. Motor unit coordination, balance, and control frequently come under the direction of the cerebellum of the brain. This allows for complex muscular coordination with little conscious effort, such as ...
A single muscle such as the biceps in a young adult male contains around 253,000 muscle ... muscle of the eye is only ~15% ... muscle pain, and fall under the ...
During puberty, a male's erect penis becomes capable of ejaculating semen and impregnating a female. [26] [27] A male's first ejaculation is an important milestone in his development. [28] On average, a male's first ejaculation occurs at age 13. [29] Ejaculation sometimes occurs during sleep; this phenomenon is known as a nocturnal emission. [25]
The bulbospongiosus muscles (in older texts bulbocavernosus and, for female muscle, constrictor cunni) are a subgroup of the superficial muscles of the perineum. [1] They have a slightly different origin, insertion and function in males and females. In males, these muscles cover the bulb of the penis, while in females, they cover the vestibular ...
This is a list of male professional ... Kevin Levrone "Maryland Muscle Machine", ... Text is available under the Creative Commons Attribution-ShareAlike 4 ...
Smooth muscle is also found in lymphatic vessels, the urinary bladder, uterus (termed uterine smooth muscle), male and female reproductive tracts, the gastrointestinal tract, the respiratory tract, the arrector pili of skin, the ciliary muscle, and the iris of the eye. The structure and function is basically the same in smooth muscle cells in ...
The visibility of the belt is caused by a low body fat percentage, rather than the creation of new muscle. [1] The term "iliac furrow" does not appear in any of the abstracts indexed by PubMed. [2] It is not a currently defined term in Terminologia Anatomica, though it has been used as a formal anatomical term in the past. [3]