Brian Umberger

@brianumberger.bsky.social

915 Followers 569 Following

Biomechanics professor at the University of Michigan interested in the mechanics, energetics, and control of human locomotion

Brian Umberger and Daphna Raz in regalia at the University of Michigan graduate commencement
Gary Larson’s The Far Side comic showing astronauts looking back at the earth,which is actually a balloon on a string
Weather app showing a temperature of -13 degrees F (-25 degrees C) in Hell, Michigan
A small statue of a frog covering its eye in a frozen garden
Screencap of a headline that reads “OpenAI wants to make ChatGTP into a universal … “
Underground walkway with water features on both sides
A view of a lake from a dock with tree covered hills in the distance
A bookshelf that in addition to books has several manila folders containing papers stacked on a shelf and on the top of the bookshelf
Meme of a tricycle set up to tow a large jet airplane. Text on the airplane reads "the simulation I want to run" and text on the tricycle reads "my computer"
Screen capture of a Canvas learning management system login screen
Person at a lectern giving a slide presentation
Person at a podium giving a slide presentation
Computer screen capture of several people in Spatial Chat bubbles with a background that says National Biomechanics Day and ASB 2020.
View of the Law Quad at University of Michigan
Sunset with wispy clouds in the sky. Trees and a salt water cove in the foreground.
Rubes comic with John Lennon’s mom telling him to give peas a chance
A sign outside a church on the University of Michigan campus the says Go God, Go Blue.
Grassy yard with evergreen trees on a nice day with a few fair weather clouds in the sky.
Deep orange sunset over Lake Michigan with sandy beach in the foreground.
TRS-80 Model 4 computer. File from Wikimedia commons.
A large bed of tulips at the University of Michigan with academic buildings in the background.
Wide angle shot of a gymnastics event
Cover image for an Ars Technica article titled "AI coding assistant refused to write code, tells user to learn programming instead"
Picture of a Canadian goose fighting off a bald eagle from an article in The Guardian
A sunset looking west from the beach over Lake Michigan
Screenshot of a webpage showing the major initiatives at the US National Science Foundation
Panning view of a forest in northern Michigan with snow on the ground
Winter scene showing snow piled up on a deck chair with trees in the distance.
Screenshot of the major initiatives page from the NSF website
Shot of the Maine coast in winter with ice breaking up by the shore and storm clouds in the distance.
A salt water cove in Maine freezing over
Terminal at the Detroit airport showing gate 11 and 15 with no gate 13
Texas vs Ohio State in the Cotton Bowl on TV
Illustration from Aristotle's De Motu Animalium showing the leverage of a person carrying a weight on their shoulders.
Aerial shot of several fossil land and sea animals
Cover page from a New Yorker magazine story showing a man using a robotic prosthetic hand with a headline that reads "A bionic leg controlled by the brain."
Mural by Diego Rivera at the Detroit Institute of Arts
Picture of a filing cabinet drawer full of photocopied journal articles.
Matt Mulligan and Brian Umberger in academic regalia at the University of Michigan winter commencement.
Picture of the Georgia Institute of Technology sign at night in front of a lit-up academic building.
Image that reads "Sorry, I can't, I'm on sabbatical."
Image showing the Bluesky Interaction Circle (Skircle) for Brian Umberger
Cast of the AL 288-1 Lucy fossil with a cast of the Laetoli footprints in the foreground.
Video of a musculoskeletal computer model high stepping along the ground
Black-and-white photo of an airman in dress uniform standing in front of a stone building. Another person and a bicycle are in the background.
Screenshot of Windows task manager showing a processor clock speed of 5.23 GHz
Picture of Keanu Reeves with a quizzical look on his face
Screenshot showing iterative output from IPOPT at 1589 iterations that looks like it is close to converging, but has not yet.
Screenshot of a weather app showing a temperature of 0 degrees Fahrenheit in Ann Arbor Michigan
Error message that reads: Sorry, something went wrong. Could not complete the requested action. Please try again later.
Pie chart for the question "Am I ready for Monday?" showing 100% as "no"
Picture of frozen seaweed along the Maine coast.
Picture of the TV character Magnum P.I. also showing his red Ferrari.
A man sitting at the terminal of an old mainframe computer with a woman in the background changing a tape reel (Source NBC News)
Diagram showing the lever arms relative to the knee and ankle joints for the line of action of the gravitational force for people carrying large objects on their backs.
A clock in a public square that sits atop a large set of metal legs that look like they are running.
Archie and Edith Bunker at the piano singing "those were the days"
Diagram of a person doing a vertical jump on an early pressure plate with a string connected to a cap on their head to measure the height of the jump. Source: Etienne Jules Marey (1895). Movement. New York: D. Appleton & Co.
A photograph of a scene looking out over a pond on a gray, rainy day.
Varun Joshi standing at a lectern giving a presentation