The Water Rower comes partly preassembled in two large boxes. The assembly instructions are reasonably good, and as long as you take your time and follow them carefully (read all the text) it takes about 45 minutes from opening the first box to trying it out. I bought bottles of distilled water to fill it, which made it easy to fill using the included funnel & hose.
Comparing the rowing machine to the stationary bike, the rowing machine is superior in terms of calories burned. Yet, it’s important to note that the stationary bike is also easy on the joints and only includes the lower body. So, if you have any upper body problems then the stationary bike will be a much better choice. In 30 minutes of cycling 12-13 miles per hour, an 125lb individual will burn around 225-250 calories.
The WaterRower Natural is handcrafted from solid Ash wood, finished with a honey oak stain and danish oil. The WaterRower's patented WaterFlywheel has been specifically designed to emulate the dynamics of a boat moving though water and is unsurpassed in its simulation of the physical and physiological benefits of rowing. WaterRower will not provide support or documentation for any product transported outside of the original country of purchase
I don't know how this machine compares to others. I have no idea. Here's what I know: I've had treadmills and elliptical machines, weight benches and several exercise appliances from infomercials. They all work exactly like they should if you use the equipment on a consistent basis. That's where the problem comes in. I would always give up eventually and the machine would sit in the corner, covered with my laundry, laughing at me. I bought this rower without ever even trying one at the gym because I was desperate to do something (and I voted for Frank Underwood). This was the one machine I was not only able to stick with, but I now eagerly look forward to using. It started a chain reaction that changed everything. You know those incredible before/after transformation pictures you see on weight loss shows? I'm one of those guys now. Rowing is like a 'secret' in the fitness world in the way there is so little emphasis. However, in terms of results, it is so much more efficient. It works your upper and lower body at the same time, huge cardio/fat burner and builds muscle like crazy. I'm glad I'm in on the secret too.

Rowing is one of the few non-weight bearing sports that exercises all the major muscle groups, including quads, biceps, triceps, lats, glutes and abdominal muscles. The sport also improves cardiovascular endurance and muscular strength. High-performance rowers tend to be tall and muscular: although extra weight does increase the drag on the boat, the larger athletes' increased power tends to be more significant. The increased power is achieved through increased length of leverage on the oar through longer limbs of the athlete. In multi-person boats (2,4, or 8), the lightest person typically rows in the bow seat at the front of the boat.
The WaterRower Classic Rowing Machine is a work of art. But before you buy one just to hang it on the wall, the more important feature of course is that this rowing machine is a high-quality, durable, and effective piece of exercise equipment that will help you get in top fitness with ease and low-impact comfort. With a user weight capacity of 1,000 lbs, WaterRower has built the Classic Rowing Machine to take everything you can throw at it. No matter how intense your workouts are, you’re not going to hurt this machine. And it accommodates everyone from beginner rowers to experienced die-hards.

Press through your heels and use your legs to forcefully start a stroke. Once your legs are fully extended and your torso is perpendicular to the ground, explosively pull the handle toward your sternum. Focus on keeping the handle’s chain straight. Then hinge at your hips to lean your torso back to the ten- o’clock position. The handle should be just below your ribs. 

Choosing an exercise program can be overwhelming, especially if you're a newbie. Getting in shape doesn't mean you have to scale mountains or hit the pavement for a strenuous run. Using a rowing machine is a great way to improve your overall health, plus it's low impact and easy for all ages and fitness levels. A rowing machine is essentially a piece of exercise equipment that mimics the motion of rowing a boat in water, making it a full body workout!

The First Degree Newport rower utilises water resistance for a more effective workout that’s low impact, so it’s gentle on the body. You’ll focus on building up all the major muscle groups as you use a machine that offers a very realistic rowing experience.To increase resistance flip the valve control to add more water to the paddle water tank. To decrease resistance, remove water from the tank and enjoy a less challenging stroke for the cool down or warm up a portion of your workout. The tank on the Newport can hold a minimum of nine litres of water and a maximum of seventeen litres.
It’s time for a revolution — a rowing revolution. For too long, the rowing machine has been the default loner in the corner of the gym that seems to always be available. The desperation needs to end. Rowing machines work three major power groups of muscles — arms, core and legs — and are some of the most efficient power tools. With this one machine, you can target your quadriceps, hamstrings, glutes, shoulders, upper back, arms and core. While there may not be an uptick in gym users, there’s undoubtedly an upswing in fitness studios opting to mix in a rowing component or focus on rowing as a critical fixture.
The sport's governing body is formally known as the "Fédération Internationale des Sociétés d'Aviron" (English translation: International Federation of Rowing Associations), though, the majority of the time, either the initialism "FISA" or the English co-name, World Rowing, which the organization "uses for 'commercial purposes,'"[27] is used to refer to it. Founded by representatives from France, Switzerland, Belgium, Adriatica (now a part of Italy), and Italy in Turin on 25 June 1892,[28] FISA is the oldest international sports federation in the Olympic movement.[29]
Rowing is a cyclic (or intermittent) form of propulsion such that in the quasi-steady state the motion of the system (the system comprising the rower, the oars, and the boat), is repeated regularly. In order to maintain the steady-state propulsion of the system without either accelerating or decelerating the system, the sum of all the external forces on the system, averaged over the cycle, must be zero. Thus, the average drag (retarding) force on the system must equal the average propulsion force on the system. The drag forces consist of aerodynamic drag on the superstructure of the system (components of the boat situated above the waterline), as well as the hydrodynamic drag on the submerged portion of the system. The propulsion forces are the forward reaction of the water on the oars while in the water. Note also that the oar can be used to provide a drag force (a force acting against the forward motion) when the system is brought to rest.
Rowing machines offer a new type of workout experience for individuals of all fitness levels. If you’re tired of the standard equipment at the gym and simply looking for a machine that allows you to work out from the comfort of your home, then a rowing machine may be right up your alley. Commonly this machine is overlooked at the gym because people don’t know that rowing can work several major muscle groups, burning more calories than a stationary bike or treadmill. The innovative designs of new water resistance rowers have taken on an elegant, yet classic look that can add subtle beauty to any room. Usually outfitted in a walnut or ash frame with all-metal black rails and an easy fold-up design, row machines not only look great, they’re actually pretty fun to use.
The Challenge AR has the capability to allow the rower to control and adjust the resistance from “Feather light” to “Olympic sprint” delivering a silky smooth resistance to the user’s effort and instantaneous response to input with no “flat sport”.  With water resistance being the most accurate manner in which to simulate actual outdoor rowing, the Challenge AR provides a smooth and consistent sensation throughout the range of motion of the exercise experience.  
At the current state of the art, indoor rowers which utilize flywheel resistance can be categorized into two motion types. In both types, the rowing movement of the user causes the footrests and the seat to move further and closer apart in co-ordination with the user's stroke. The difference between the two types is in the movement, or absence of movement, of the footrests relative to ground.
Indoor rowers which utilize a pivoting handle or handles to simulate a sweep or sculling stroke (thus referred to as "rowing simulators"), can be of the above described "stationary" or "dynamically balanced" type of rowing ergometer. The Coffey rowing machine, designed by Olympic silver medalist rower, Calvin Coffey, can be configured to enable a sweep or a sculling stroke, in either a "stationary" or "dynamically balanced" mode. The flywheel is positioned horizontally at the rear of the device, under the seat rails (US patents: US4743011A 1988; US7862484B1; Inventor: Calvin Coffey).
Rowing, often referred to as crew in the United States,[1] is a sport whose origins reach back to Ancient Egyptian times. It involves propelling a boat (racing shell) on water using oars. By pushing against the water with an oar, a force is generated to move the boat. The sport can be either recreational for enjoyment or fitness, or competitive, when athletes race against each other in boats.[2] There are a number of different boat classes in which athletes compete, ranging from an individual shell (called a single scull) to an eight-person shell with coxswain (called a coxed eight).
The overall rowing experience encompasses pulley, seat, and — of course — resistance. Air and water have very distinct qualities, making them impossible to compare but interesting to contrast. Air stores inertia, which feeds into intense, constant effort during a goal-oriented workout. Water’s more sluggish drag makes for demanding exercise, but one that’s less consistent.
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Variability between machines is of small importance if one machine is used consistently for fitness and training, such as in a home gym. It will still provide a sufficiently reliable measure of one's progress. In a competition setting however, equivalence between machines is essential. An example will clarify: Consider the entirely reasonable possibility that the elastic cord of one machine requires 7 pounds of force to stretch, and the elastic cord of another machine requires 6 1/2 pounds of force to stretch. Now suppose that two competitors, one on each of these machines, complete a 2000M race in 8 minutes at an average stroke rate of 30 strokes per minute. The competitor on the machine with the elastic cord tensioned to 7 pounds will need to pull with 1/2 pound more force for the duration of each stroke than the other competitor in order to obtain the same monitored results (since, as explained, only the energy expended to spin the flywheel is measured, not the energy to stretch the elastic cord). If each stroke averages 5 feet in length, and it takes 240 strokes (8X30) to complete the race, the extra work done by the one competitor is equivalent to lifting a 1/2 pound weight through a vertical distance of 1200 feet (5X240), or put another way, the extra work required by this competitor is equivalent to lifting a 10 pound weight through a vertical distance of 60 feet. However, in this example, despite the difference in energy output by the competitors, the monitor displays are the same.
Some rowing enthusiasts claim that the disproportionate number of tall rowers is simply due to the unfair advantage that tall rowers have on the ergometer. This is due to the ergometer's inability to properly simulate the larger rowers drag on a boat due to weight. Since the ergometer is used to assess potential rowers, results on the ergometer machine play a large role in a rower's career success. Thus, many erg scores are weight-adjusted, as heavyweights typically find it easier to get better erg scores. Also, since crew selection has favored tall rowers long before the advent of the ergometer,[46][47] and bigger, taller crews are almost universally faster than smaller, shorter crews on the water, being tall is a definite advantage ultimately having little to do with the ergometer.
One of the underrated advantages of treadmills and bikes is that they attempt to replicate something with which most people are already familiar—walking, running, or biking. The barriers to entry are low, and the task of planning and completing a workout is a little more intuitive, since most people know what those activities feel like. Those heuristics are out the door with a rowing machine, though. Do you just... pull? How far? How hard? And why does it insist on measuring distance in meters? We asked Caley Crawford, the Director of Education at Row House, for tips on getting started so that, hopefully, your experience doesn't end with you throwing your hands up in frustration and crawling back to the elliptical room.