The change of male sexual response cycle is the process of arousal of sexual desire, hyperaemia and erection of penis, to ejaculation, orgasm and erection regression during sexual intercourse, and it is also the systemic reaction process during sexual intercourse, under the participation and control of the neuroendocrine system.
As early as more than 30 years ago, it was summarized that the human sexual response cycle is from the arousal of sexual desire to the recovery of the original calm state after orgasm, which is a systemic cyclical change dominated by sexual organs, namely, the change of arousal, duration, climax and regression. The length of the sexual reaction cycle also varies from person to person. Generally speaking, the time from the beginning of sexual intercourse to ejaculation for men is about 3-15 minutes, about 3/5 of men complete sexual intercourse within 5 minutes, about 2/5 of men can last for 10-30 minutes, and very few can last for more than 1 hour.
Male sexual function is a relatively complex physiological process, and the sexual response cycle is a process of continuous development and completion of several links. It requires not only the coordination of the nervous system, cardiovascular system, endocrine system and reproductive organs, but also a sound mental and psychological state to carry out normally. In the sexual reaction cycle, in addition to penis erection and scrotum lifting, other organs or tissues of the body also have corresponding changes.
Changes in respiration and heartbeat: The heartbeat is faster during the sexual excitement period, up to more than 100 times per minute. The heartbeat is faster during the duration and climax period. Blood pressure also increased. When the regression period occurs, it gradually returns to normal. With the acceleration of heart rate, the respiration increases obviously, and there is excessive ventilation. Restore calm breathing after orgasm.
Skin changes; In the period of sexual excitement, 75% of men have skin flushing, and even may have maculopapular skin erythema, which is obvious in the period of excitement and spreads from the abdomen to the limbs, also known as sexual flushing. After that, the skin sweated, and even the head, face, chest and back sweated profusely. This may be related to individual differences and room temperature.
Muscle tension or rigidity: sexual life is a movement in which all muscles of the body participate. Sexual excitement begins with random activities such as the long muscles of the limbs, abdominal muscles, intercostal muscles, etc., which is manifested as muscle contraction. When the duration and orgasm come, the muscles of the whole body are in contraction.
Other changes: About half of men have nipple swelling during sexual excitement and duration, and even nipple erection, which is more obvious when they consciously prolong the excitement period. In addition, a small number of men have tight anus, some may have upper abdominal discomfort, vomiting, and even some men may have severe headache and other discomfort during orgasm. The occurrence of the above symptoms may be related to the degree of sexual tension.
The following describes the male sexual reaction cycle.
The typical sexual reaction cycle of human can be divided into four stages according to the order of occurrence, namely, arousal, duration, climax and regression. 1。 Excitatory period
The excitement period is the prelude to the beginning of sexual life, which mainly includes the psychological preparation for starting sexual desire and completing the combination of sexual organs.
Male sexual excitement is usually characterized by penile erection, which is the direct result of changes in vascular congestion in the cavernous body of the penis, and the penile sexual sensitivity of erection has significantly increased.
Penile erection can occur within 10 seconds of receiving psychological or physical stimulation, triggering a series of conditioned and non-conditioned reactions. The hardness of erection is related to the intensity of stimulation and the psychological and physiological state at that time. During sexual excitement, the scrotal skin is congested and thickened, the appearance becomes smooth, the body tends to flatten, the sarcolemma thickens, and then the scrotum becomes hard and fixed. The testis also increased and increased. The muscle tension of the whole body increases, and the heart rate and blood pressure can increase and increase. Some men's nipples also show up. If this period does not develop to the duration period in time, it will subside temporarily, but can reappear after stimulation. The levator muscle produces involuntary contraction, and the testis can move and lift to the perineum automatically and specifically. During the period of sexual excitement, attention should be focused to avoid all kinds of adverse stimulation. Any adverse stimulation will weaken or immediately disappear the sexual excitement, and make the penis erection subside and become soft. 2。 Duration
The degree of sexual excitement and sexual tension of men during this period are the continuous enhancement of the level at the end of the excitement period.
During this period, the penis congestion is strengthened, the penis glans is enlarged, and the color becomes darker,
Because of venous congestion, it becomes purplish red,
The testis is significantly enlarged and fully elevated, often accompanied by a unique anterior rotation; The mucinous secretion secreted by the bulbous gland of the urethra is discharged from the urethral orifice. If the duration is consciously extended, the overflow will be more, and sometimes active sperm can be seen.
The muscle tension is also further enhanced. Some muscles may have mild spastic contraction, respiratory intensity is significantly increased, and excessive ventilation may occur at the end of the period; The heart rate increased significantly, with an average of 100-175 beats/minute; The blood pressure increased significantly, and the systolic and diastolic blood pressure increased by 50 mm Hg and 25 mm Hg on average.
Some men have nipple erection and swelling; Sometimes it can be seen that the red halo and anal sphincter contraction.
The urethra is further widened to prepare for ejaculation, which is the outflow of a large amount of semen during orgasm. Urethral bulbar dilation is an important sign of the upcoming orgasm. The pumping action of the penis in the vagina during the duration can be rapidly developed from consciously controlled random pumping to uncontrollable, mechanical and violent lifting impact, so that the sexual energy can be rapidly accumulated and the sexual tension can be rapidly increased, making full preparation for entering the orgasm period. At this time, the penis becomes hard, the fixation is more obvious, the cavernous body is more congested, and its volume can be doubled. The testicle can be lifted more obviously. It can rotate to make the posterior wall of the testicle cling to the perineum. This process of lifting, rotating and clinging to the perineum is very necessary for the most effective ejaculation. This is also an important sign of entering orgasm, and also a sign of the strength of ejaculation. 3。 Climax period
Male orgasm is the period with the highest degree of excitement in its sexual response cycle. The sexual excitement continues to reach a certain level. After the full accumulation of sexual stimulation, it enters the orgasm period. It is the satisfaction stage of sexual pleasure, which generally lasts only a few seconds.
This period is relatively short. When orgasm occurs, men experience an irresistible pressure of ejaculation, accompanied by high sexual excitement and uncontrollable violent movements, and the penis head is more swollen.
The penis has a high erection, rhythmic contraction and starts to ejaculate. With the ejaculation of semen, the sexual pleasure reaches its peak. The ejaculation process can be roughly divided into two stages: first, the smooth muscle of epididymis, vas deferens, seminal vesicles and prostate gland contracts, so that the semen collects in the urethra and prostate gland. At the same time, the internal sphincter of the urethra closes, blocking the passage of semen into the bladder.
Subsequently, the ejaculatory tube, the muscles around the urethra and other muscles of the perineum contract to discharge the semen.
Generally, the pressure of ejaculation is very high, and the semen can be ejected by 1/2m.
The contraction of ejaculation reflects the intensity of orgasm and the intensity of sexual pleasure.
The more contractions and ejaculation, the higher the degree of sexual satisfaction, which is related to the intensity of sexual stimulation and the physiological and psychological state at that time.
During orgasm, involuntary muscles lose control, involuntary muscles contract, muscle groups spasm, and anal sphincter contract involuntarily,
Breathing is extremely enhanced, and the frequency can be as high as 40p/min. The heart rate range is 110-10p/min,
The increase of blood pressure is more obvious than that of the continuous period. The systolic and diastolic blood pressure of some people can be increased by 100 mm Hg and 50 mm Hg respectively. Due to the high level of sexual excitement and physical tension during this period, some patients with chronic diseases may have accidents or even death. 4。 Regression period
With the end of ejaculation, the sexual excitement gradually subsides. After ejaculation, some men can still maintain close physical contact with their sexual partners, but most of them have a feeling of fatigue, weakness and relaxation after the sexual extinction period. Relax mentally and physically.
The penile erection disappears, and the initial rate of weakness is faster, and then becomes slower; The hyperemia of pelvis, scrotum and testis rapidly subsided.
Various physiological reactions during sexual excitement disappear quickly, and heart rate and blood pressure return to normal.
Most men can have sweating reaction after sexual intercourse, mainly in the soles of feet and palms.
Men generally have a period of sexual refractory after ejaculation. The duration of sexual refractory period also has individual differences. The characteristic of refractory period is that no sexual excitement will occur to any sexual stimulation, and pain or discomfort can occur to various kinds of stings on the penis, which is also an instinctive response.