After ejaculation,when my penis falls(loosens erection) there is an involuntaryupward movement. Is it normal? -
The involuntary movement is as if we try to pull the penis upwards
Ejaculation is the result of stimulation of sympathetic nervous system. Erection on the other hands comes from parasympathetic nervous system activation. The ejaculation is sperm is brought about by the contraction of your urethral muscle( corpus spongiosum and cospus cavernosum) to spurt sperm out of your urethra. After sex or ejaculation, the stimulus goes down so are the erection and ejaculation. The upward movement is caused by the contraction of bulbospongiousus muscle to expel the last remaining sperm in your urethra. It is normal.
Yes. This is normal. It-s penile spasms that occur with younger men during or immediately after ejaculating. Have a healthy year.