r/AnatomyandPhysiology
How Jaw Surgery Repositions the Skull | Orthognathic Surgery Explained
Why does holding your thumb tightly with one hand make it easier to deepthroat objects?
reddit.comMECHANISM OF ACTION: MITOCHONDRIAL HOMEOTASIS
The protocol establishes that human operational efficiency is limited by mitochondrial information processing. Chronic systemic inflammation—caused by synthetic dietary inputs—induces an "alarm state" in mitochondrial dynamics, which triggers the translocation of mitochondrial DNA (mtDNA) into the nuclear genome (NUMT formation).
Mitigation Strategy: By adhering to a 14-day purity audit, we neutralize the chemical variables that initiate this genomic degradation, thereby preserving the structural integrity of the cell's primary information processors.
The protocol integrates three fundamental biological principles: (1) Evolutionary Simplicity, leveraging the minimalist metabolic efficiency identified in Sukunarchaeum lineages; (2) Neural Resonance, aligning human operational communication with the 2Hz carrier frequency; and (3) Mitochondrial Stability, mitigating NUMT formation through the elimination of industrial metabolic inhibitors. This architecture provides the necessary constraints for human high-performance in extra-planetary environments, transforming the human from a passive occupant into an optimized, self-regulating component of the life-support system
Systemic Optimization: Minimizing metabolic "noise" (systemic inflammation) ensures that the neurological processing is not inhibited by compensatory immune responses. This creates a high-fidelity environment for the 2Hz "carrier frequency" of life, as evidenced by multi-species neural resonance data to align the biology to communication bandwidth with the universal 0.5–4Hz neural integration window
C6 NEUROLOGIC LEVEL
The C6 spinal nerve root plays a vital role in upper-limb function by contributing to elbow flexion, wrist extension, forearm stabilization, and sensory input to the lateral forearm, thumb, and index finger. Dysfunction at this level significantly alters upper-extremity biomechanics and functional performance.
Motor involvement commonly affects the biceps brachii and extensor carpi radialis longus and brevis, resulting in weakness of elbow flexion and wrist extension. Patients often compensate with excessive shoulder elevation or trunk movements, reducing movement efficiency and increasing mechanical stress on adjacent joints.
The brachioradialis reflex (C5–C6) is frequently diminished in C6 radiculopathy or peripheral nerve injury, helping clinicians localize neurological impairment. Sensory disturbances typically include numbness, tingling, or burning pain along the lateral forearm, thumb, and index finger following the C6 dermatome.
From a biomechanical perspective, impaired wrist extensors reduce grip strength because optimal hand function requires a stable, extended wrist. Weakness of the biceps also compromises lifting mechanics, elbow stability, and force transmission during reaching, carrying, and pulling activities.
Common causes of C6 dysfunction include C5–C6 disc herniation, cervical spondylosis, foraminal stenosis, traumatic injury, and nerve root compression. Persistent dysfunction may lead to altered movement patterns, muscle atrophy, reduced coordination, and chronic neck and upper-limb pain.
Clinical Insight: Assessment of motor power, brachioradialis reflex, dermatomal sensation, cervical range of motion, and neurodynamic tests is essential for accurate diagnosis. Rehabilitation focuses on cervical stabilization, neural mobilization, postural correction, strengthening of weakened muscles, and restoration of normal upper-limb biomechanics to improve function and reduce pain.
which muscle is which? (not medical advice)
ok so as you can see my two calves look quite different when flexed. trying to figure out which muscle is which? esp the right, why does it look like three muscles? the left I'm assuming is just less developed gastrocs?
Wanting to drop out of my A&P 1103 class
I failed my midterm and got 10.3/25. And I just don’t want to continue the course anymore. I have a shitty teacher that I wish I would’ve dropped out sooner and gotten a better teacher but just with failing my midterm, I have 0 motivation to continue. I’m not interested in learning anymore. I’m on the 7th week, I read you are able to withdrawal without it affecting your GPA. Needing some advice and opinions please
Perception of Synthetic Organ Technologies and Human Enhancement Among Digital Natives [repost]
docs.google.comWhat Destroyed This Skull? Bone Damage Explained
Failed pre-req twice
I have failed my very firstmost pre-req (Anatomy & Physiology 1) for nursing program twice and doing it for third time , i have already got my AA in arts and public health science , but i want to pursue nursing , i want to get admission in a BSN program but i don’t know what are the chances ! HELP
What is this bone called?
I tried googling what that bone is called but all the anatomical diagrams have nothing there. What is that bone that I’m feeling there? There’s another one on the inside too but I can’t find any information on either one
Is obesity bad from an anatomical perspective ?
I know this question might sound stupid but I was genuinely wondering if obesity was bad for the human body at a biomechanical and anatomical level, the medical studies are most likely true but constant shifts of opinion happen in the scientific community so I was wonderind if there was any clear factual observation that we know anatomically that would make obesity bad.
Is there any anatomical advantage for women to have a flat waist ?
From a purely anatomical and biological perspective is there any major advantage for human females that comes with having a flat waist ? Technically what I am thinking is that wouldn't it be more reliable to have a bulky waist which would show capability to protect the fetus during gestation and capability to feed during pregnancy.
I heard somewhere that the female pelvis was wider than the male pelvis, I dont know if that has to do with something here.
Am I the only one losing my mind trying to learn 3D anatomy from flat ass 2D textbooks?
Hey guys, I need to rant for a second because I am genuinely about to throw my anatomy book out the window.
Why the fuck are we still expected to memorize complex, 3D, overlapping body systems using flat, static 2D drawings?
Unless you have photographic spatial memory, trying to visualize how these planes actually slide, fuse, and look in a real 3D space from a paragraph of dense text is a complete nightmare. It’s under-stimulating, and it’s dry as hell.
A surgeon literally told me they had to sit through dozens of real cases in residency before this shit finally clicked in their head because textbooks failed them so badly. Why are we waiting until residency to finally get it?
Am I crazy, or is the current way we are taught anatomy completely broken? Or do we all just enjoy crying over flat diagrams? Let me know if the struggle is real or if I just need to cope.
Anatomy Study Techniques
Hello everyone I recently got a 78% in my A&P class. I studied my butt off. I spent 1 hour every day reading the lecture and 1 -2 hours studying using Quizlet and online study guides provided to us by the professor. I would just read the material over and over. I put in all of my free time into this class just to be left with a bland C. What study techniques would be recommended to become proficient in this subject?
In a year, a perfect storm of bad choices and rare, outlier genetics led me (M32) to gain 145lbs and nearly impossible 74” gut — most extreme ratio of girth relative to weight/height. As a man existing with a body comparable to one overdue with septuplets, this is my Cronenberg body-horror reality.
About a year and a half ago, I moved cross-country for a new sedentary office job after years in a relatively active role. The stress of the move, long hours (often 6 days a week), free lunches, stocked office pantry, quitting exercise, and living on fast food and beer led to 145 pounds gained in just 14 months. That alone is shocking enough; however, this nightmare of a transformation has become a real Cronenberg body-horror story come to life.
The weight gain itself is my fault, but I got worried when I realized how extremely centralized it all was gathering, rapidly, in my gut. After seeing multiple doctors and running every test imaginable, they shockingly found no underlying illness, and deciding I have an extremely rare, far outlier, genetic predisposition to storing practically all excess weight as concentrated abdominal fat. Combined with the rapid pace of the gain (influencing visceral fat for men), fluid retention, and spiked cortisol, estrogen, estradiol, and prolactin levels, I’m now the labored owner of a 74-inch circumference stomach.
Those hormonal shifts also tanked my testosterone, distorted leptin signaling, increased aromatose activity, and caused glandular gynecomastia… my chest is now into G-cup territory. The gynecomastia has added real weight and sensitivity to my chest, making shirts tighter and contributing to extra back and shoulder strain. And even more rare and hard to accept, is that they have begun even leaking fluid in moments of intense arousal or stimulation.
My doctors have been (unfortunately but aptly) tracking my growth using comparisons to average pregnancy sizes, for lack of a better option. Right now, this massively distended, low-hanging, pendulous belly is comparable to “overdue with septuplets,” a size where a pregnant woman would already be on mandatory bed rest or scheduled for emergency induced labor. With my limbs and face staying relatively lean, my genes concentrated all my fat exactly where it’s wired to, quickly turning my torso into some obscene, emasculated, parody of a man ready to pop with seven. And even more bizarre and difficult for my team to understand is how my body is wired not only to this fat distribution, but also the endless (fertile and maternal) hormonal and symptomatic changes that accompany this. My doctors have said that with me navigating the world with this unusual body, combined with the endless parallel symptoms, I am essentially faithfully experiencing being overdue with septuplets, moreso than most women ever even could.
It almost looks intentional. It looks like someone designed the most grotesque, emasculating male pregnancy possible and then let it run to term and beyond. People approach me constantly, and aside from the usual considerations of whether: it’s fake, or a real pregnancy, or a medical issue, or a man with no restraint and a beer addiction… some people even ask if I did this on purpose or how I made this happen.
My belly sways and bounces with every step, slapping softly against my thighs. When I pause it rests like a living weight in my lap, pushing my legs apart. Constant shortness of breath, labored breathing, chronic sweating and flushed face, lower back pain, waddling gait, pressure on my navel with visible skin veining and stretch marks, drastically altered center of gravity, and increased gas and indigestion. My hypersensitive, stretched navel has become this strange, shameful control point… fabric brushing it, my belly’s own movement shifting it, even light pressure sends electric, involuntary responses through me. Mobility with a belly this large and round on an otherwise smaller frame is extremely difficult. Simple tasks like tying my shoes, standing up from a chair, fitting in restaurant booths, driving (where it presses hard against the steering wheel), navigating airplane aisles or seats, and using standard bathroom stalls have all become major challenges. Even at my office desk, the belly creates constant clearance problems, forcing me to sit farther back and causing overheating during long workdays.
I can no longer reach my own manhood around the belly. This has created major practical issues, aside from the obvious… I can’t use urinals anymore because I have to stand too far back and cannot reach to unbutton my pants or aim while standing, so I always have to use bathroom stalls where I can sit and lean back to manage. And that is where the true Cronenbergian horror settles in, deeper than any measurement or public stare. My own belly has physically severed me from the last remaining symbol of my former maleness. It has placed an insurmountable barrier between me and the simplest assertion of manhood. The hormonal changes and physics of this body have also created an unavoidable yet very unexpected feedback loop. Because of the extreme concentrated mass right on my front, constant movement, my lack of regular access for relief, and pressure/heat generated by a belly this large, there is unavoidable physical interaction and stimulation against my manhood. This effect becomes especially pronounced during moments of physical struggle or limitation, adding a complicated psychological layer to the experience.
This feedback loop locks everything in to a degree that makes this seem impossible: movement of my belly creates friction and pressure on my most sensitive and unreachable spot. That physical stimulation collides with the embarrassment of being seen like this in public… strangers or coworkers staring, double-taking, commenting… and the helplessness of knowing I can’t ever hide or control it. The collision produces involuntary climaxes, daily, often in public or semi-public. It’s not always pleasurable in the old sense; it’s my body’s new language asserting itself. The shame feeds the arousal, the arousal deepens the acceptance, the acceptance makes this body that I’m wired to have feel even more inevitable. It has its own agenda now, and I am mostly a passenger.
This is the final straw that makes the transformation feel almost irreversible and total. I am no longer a man who happens to have a huge belly. I am a ballooning, gravid, overdue parody of a man carrying what feels like septuplets… seven heavy, parasitic presences that have rewritten my silhouette, my gait, my clothing, my relationship to space itself. My gut decides how I stand, how I sit, how I piss, how I fuck, how I exist in the world. My arms are too short, my reach too limited, my center of gravity too alien. I have been feminized not by clothing or hormones alone but by pure physical necessity, forced into the postures and compromises of late-term pregnancy while still wearing the face and beard of the man I used to be.
There are no off-the-rack shirts that fit me properly. Most Big & Tall stores only go up to 60-64” waists and 5XL shirts designed for 60-65” bellies at most, and their cuts assume evenly distributed weight rather than this extreme forward projection. The belly still pulls the fabric tight while the arms and chest are loose. I’m required to wear button-downs at the office and haven’t been able to convince my boss to allow polos or sweaters instead. I’ve grown so fast that I’m constantly playing catch-up on sizing. In moments of desperation I’ve even considered gender-neutral maternity clothes, but those only go up to 4XL and the cut is completely wrong for my frame.
Psychologically it has hollowed me out and refilled me with something new. The helplessness is no longer abstract. It is concrete, daily, intimate. Every trip to the bathroom or sit down at my desk is a quiet ritual of surrender. Every time I lean back and feel this enormous, taut, veined dome resting heavily against me, I understand on a bone-deep level what it means to be occupied. The old direct agency over my sex is gone. In its place is this constant, low-grade awareness that my body is no longer fully mine. It has emasculated me more thoroughly than any scalpel ever could, and the strangest part is how quickly the shame has curdled into a dark acceptance.
My belly doesn’t just dominate my silhouette. It dominates my psychology. I move through the world as this gravid, out-of-control thing, and some part of me has started to crave the very helplessness it imposes. I’m never not aware of its size and limitations on me. But there is no due date. This isn’t temporary. At this point in the spiral, it feels like my rare, impossible genetic makeup has always had me wired to end up like this… that it was inevitable. That my unusual genes needed to completely and expediently transform me into… whatever this is. That I’m simply fulfilling a role I was always meant to end up in. I just really hope it doesn’t get any bigger.
Anatomical Directional Terms Explained: Medial, Lateral, Proximal & Distal
Bruising along bicep (not an emergency)
Was having right arm pain for several days after some modestly intense work with a machete.
Then the bicep got stiff for a few days (painful with extension, reaching), now it seems workable.
But I got this bruising now. No pain.
Any thoughts on if I did any serious damage or am I in the clear?