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A pushable exercise apparatus configured to be pushed along a surface by a user and to provide user-selected variation in resistance to rotation applied to wheels of the apparatus. The apparatus may comprise a frame, a handle, a wheel shaft rotatably supported by the frame, one or more wheels fixedl

A pushable exercise apparatus configured to be pushed along a surface by a user and to provide user-selected variation in resistance to rotation applied to wheels of the apparatus. The apparatus may comprise a frame, a handle, a wheel shaft rotatably supported by the frame, one or more wheels fixedly attached to the wheel shaft, and an electrical braking system, such as a generator braking system. The electrical braking system may have a motor driven by rotation of the wheel shaft and variable electrical resistance such that an amount of torque and/or effort required to rotate at least one of the wheels is dependant on the amount of electrical resistance provided to the motor.

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1. An exercise apparatus configured to be pushed along a surface by a user, the apparatus comprising: a frame having an upper portion and a lower portion;a handle at the upper portion of the frame;a wheel shaft rotatably supported by the frame;a first wheel, a second wheel, and a third wheel, with t

1. An exercise apparatus configured to be pushed along a surface by a user, the apparatus comprising: a frame having an upper portion and a lower portion;a handle at the upper portion of the frame;a wheel shaft rotatably supported by the frame;a first wheel, a second wheel, and a third wheel, with the first and second wheels fixedly attached to the wheel shaft,wherein the first and second wheels are positioned rearward of the third wheel;a generator braking system having a motor driven by rotation of the wheel shaft and having variable electrical resistance such that an amount of torque required to rotate the first and second wheels is dependent on the amount of electrical resistance provided to the motor; anduni-directional clutch bearings configured for coupling the wheel shaft with the generator braking system such that the motor is driven only when the first and second wheels are rotated forward and disengaged from the generator braking system when the first and second wheels rotate backwards. 2. The exercise apparatus of claim 1, wherein the generator braking system further comprises: a series of gears rotatably dependent with each other, wherein at least one of the gears is fixedly attached to the wheel shaft;a motor shaft fixedly connected to at least one of the gears such that a forward motion of the first wheel powers the motor; anda variable resistor electrically coupled with the motor and operable to provide the variable electrical resistance. 3. The exercise apparatus of claim 1, further comprising a user control panel operable to change the amount of electrical resistance provided to the generator braking system. 4. The exercise apparatus of claim 3, wherein the user control panel comprises a processor configured for changing an amount of the electrical resistance provided to the generator braking system based on at least one of data received via a user interface or sensor and pre-programmed control data stored in the processor. 5. The exercise apparatus of claim 1, wherein the upper portion of the frame is at least one of slidably and rotatably connected with the lower portion of the frame such that the portions of the frame may be configured in a first position for storage and reconfigured in a second position for operation. 6. The exercise apparatus of claim 3, wherein the control panel further comprises a sensor configured to receive a control signal from a remote device operable to change the amount of electrical resistance provided to the generator braking system. 7. The exercise apparatus of claim 4, wherein the processor is configured to change the amount of electrical resistance provided to the generator braking system based on biometric data received by the processor from a plurality of biometric sensors. 8. The exercise apparatus of claim 1, wherein the generator braking system provides electrical power to electronic devices attached thereto. 9. An exercise apparatus configured to be pushed along a surface by a user, the apparatus comprising: a frame having an upper portion and a lower portion;a handle at the upper portion of the frame;a wheel shaft rotatably supported by the frame;a first wheel, a second wheel, and a third wheel, with the first and second wheels fixedly attached to the wheel shaft;wherein the first and second wheels are positioned rearward of the third wheel;a series of gears rotatably dependent with each other, wherein at least one of the gears is fixedly attached to the wheel shaft;a motor;a motor shaft fixedly connected to at least one of the gears such that a forward motion of the first and second wheels powers the motor;a variable resistor electrically coupled with the motor and operable to provide varying amounts of electrical resistance such that an amount of torque required to rotate the first and second wheels when the electrical resistance is small is greater than the amount of torque required to rotate the first and second wheels when the electrical resistance is large; anduni-directional clutch bearings configured for coupling the wheel shaft with the motor such that the motor is driven only when the first and second wheels are rotated forward and not when the first and second wheels rotate backwards. 10. The exercise apparatus of claim 9, further comprising a user control panel operable to change the amount of electrical resistance provided by the variable resistor. 11. The exercise apparatus of claim 9, further comprising one or more belts rotatably connecting two or more of the gears, wherein at least some of the series of gears have differing diameters such that a single rotation of the first wheel rotates the motor shaft a plurality of times. 12. The exercise apparatus of claim 10, wherein the user control panel comprises a processor configured for varying the amount of resistance provided by the variable resistor based on at least one of data received via a user interface or sensor and pre-programmed control data stored in the processor. 13. The exercise apparatus of claim 9, wherein the upper portion of the frame is at least one of slidably and rotatably connected with the lower portion of the frame such that the portions of the frame may be configured in a first position for storage and reconfigured in a second position for operation. 14. The exercise apparatus of claim 10, wherein the control panel further comprises a sensor configured to receive a control signal from a remote device operable to change the amount of electrical resistance provided by the variable resistor. 15. The exercise apparatus of claim 9, wherein the motor is configured to provide electrical power to electronic devices attached thereto. 16. An exercise apparatus configured to be pushed along a surface by a user, the apparatus comprising: a frame having an upper portion and a lower portion;a handle at the upper portion of the frame;a wheel shaft rotatably supported by the frame;a first wheel, a second wheel, and a third wheel, with the first and second wheels fixedly attached to the wheel shaft,wherein the first and second wheels are positioned rearward of the third wheel;a variable braking system, driven by rotation of the wheel shaft, configured to provide varying amounts of resistance to rotation of at least one of the wheels;a control panel configured to vary the amount of resistance provided to the first and second wheels and operable to receive a wireless signal and to vary the amount of resistance based on the wireless signal; anduni-directional clutch bearings configured for coupling the wheel shaft with the variable braking system such that the varying amounts of resistance are provided to the wheels only when the first and second wheels are rotated forward and not provided when the first and second wheels rotate backwards. 17. An exercise apparatus configured to be pushed along a surface by a user, the apparatus comprising: a frame having an upper portion and a lower portion;a handle at the upper portion of the frame;a wheel shaft rotatably supported by the frame;a first wheel, a second wheel, and a third wheel, with the first and second wheels fixedly attached to the wheel shaft,wherein the first and second wheels are positioned rearward of the third wheel;a variable braking system, driven by rotation of the wheel shaft, configured to provide varying amounts of resistance to rotation of at least one of the wheels;a control panel configured to vary the amount of resistance provided to the first and second wheels and operable to receive biometric data corresponding to a user from biometric sensors and to vary the amount of resistance based on the biometric data; anduni-directional clutch bearings configured for coupling the wheel shaft with the variable braking system such that the varying amounts of resistance are provided to the wheels only when the first and second wheels are rotated forward and not provided when the first and second wheels rotate backwards.