if your asking about workout pullup then it is when you have a bar and pull yourself up to get upper body strength.
the other kind i can think of is training pants for toddlers
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A pullup can be considered a kind of diaper The main difference between a pullup and a normal diaper is that a pullup can be easily pulled on and off in the manner of normal underwear. Additionally, many pullups don't hold as much urine as a normal diaper.
A pullup primarily works the muscles in the back, specifically the latissimus dorsi, biceps, and forearms.
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The pullup primarily involves movement in the sagittal plane, which is forward and backward motion. The action of pulling oneself up targets the muscles that work in this particular plane of motion.
Using a tree pullup bar for outdoor workouts can provide benefits such as increased strength, improved grip strength, enhanced muscle definition, and the opportunity to exercise in a natural environment.
Tie unused input high through pullup resistor.
In what?this is true in TTL logic ICs because the pulldown drive transistor is strong and the pullup drive transistor is weakthis is false in CMOS logic ICs because both pulldown and pullup transistors are identicalin other devices it varies
to determine the state condition of microcontroller's input when microcontroller is reading the input port
The Perfect pullup can be installed with no tools,and is excellent for pull ups.
Turn Shackle 180°Press DownHold DownTurn Shackle 90°Set New CombinationTurn Shackle BackThen Pullup
A strong pullup means using small value resistor for pull up whereas a weak pullup means using high value resistor for pulling the signal to Vcc. A strong pullup reduces the RC time constant. Soumen C
There are many reasons that one might prefer to use negative logic in some or all of a design, a few of these are:discrete switch closure inputs - closing the switch grounds the line (true), opening a pullup resistor pulls the line high (false)multisource signals can be "wire ored" using open collector/drain outputs and a single pullup resistor, instead of needing many actual or gate devicesetc.