Thursday, February 28, 2008 

Printer Adapters - A Guide to Buying the Right Adapter for Your Printer

Printer adapters are used to connect a printer to a computer or other device that has an incompatible interface. They usually come with a usb plug at one end and a plug for the incompatible interface on the other. There are a lot of different print adapters in different types.

wireless printer adapters

Because it uses Bluetooth or WiFi technology, a wireless printer adapter is great for mobile printing. It connects the computer to a wireless network and it also allows for connecting to several computers. It can be used for mobile phones, cameras, and other wireless devices.

wired printer adapters

A wired printer adapter is the conventional form of adapter that comes with standard usb plug at one end and a serial, parallel, or PS/2 plug at the other. It can be connected directly to the computer through the use of an ethernet hub. When using the ethernet hub, it usually requires an ethernet or RJ-45 connector.

Wireless printer adapters can also be used for other devices like camera, mobile phones, and scanners.

Buying tips

Before buying printer adapters, it is best to check first your devices. If you opt to buy a wireless printer adapter, make sure that your computer or network is capable of handling Bluetooth technology. If not, a wired printer adapter may be for you.

Also, check your computer's system requirements. Some printer adapters require a certain operating system (OS) to be used. Check also if your computer has a usb port where you can plug in the device.

The printer adapter for Windows and mac are different, so make sure that you buy the right one for your computer.

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Clubhead Speed Development in Your Downswing

Let us review from a biomechanical perspective the downswing before introducing the physical side of the equation into this phase. The downswing begins at the completion of the transition. Weight shift onto the front foot continues during this phase of the swing. The generation of torque is created in this phase of the swing and then is transitioned up through the body into the club.

The majority of torque in this phase of the golf swing is generated by the glutes, hamstrings, quads, and core of the body. (Fleisig, Biomechanics of Golf) The torque created in the lower body creates acceleration in the upper body as energy is transferred into the clubhead. Studies indicate muscle activity also occurs within the pectoralis major (chest), lattimus dorsi (upper back), and rotator cuff muscles during the swing. (Geisler, Kinesiology of the Full golf Swing) The downswing is complete at the point in at which impact occurs with the golf ball.

As we can see numerous muscles groups are involved in the execution of the downswing, most notably the muscles of the lower body. These muscles (glutes, hamstrings, quadriceps) are responsible for torque development in this phase of the golf swing. Torque is the development of power in a rotational movement pattern. power in relation to the golf swing is measured through clubhead speed, and the greater the clubhead speed the farther the ball will travel.

This all points back to need for torque development in the backswing if the desire is to increase the clubhead speed of your swing. Outside of improving the efficiency at which the execution of the downswing occurs, the second variable to increasing the torque (i.e. power) development in the downswing is through training your muscular system.

The process by which we can accomplish this goal is through the utilization of golf fitness exercises. These exercises will increase the ability of your lower body muscles to output more power in a rotational pattern (torque). Two physical components are necessary for this to occur. Number one is the development of more strength in the muscles of the lower body, and number two is increasing the ability of these muscles to output more power.

Research indicates in order for the end of goal of higher levels of torque development to occur increased levels of strength must first be developed in the muscles of lower body. golf fitness exercises that can accomplish this goal will utilize exercise incorporating the muscles of the lower body involved in the golf swing. As well as utilize them in a functional and cross-specific manner to the golf swing.

Keep in mind torque is the development of power in a rotational movement pattern. During the downswing phase of the golf swing, the musculature of the lower body is responsible for torque development. In order to increase the torque outputs of these muscles the first step is to increase the muscular strength of these muscles. The squat with physio-ball is one such exercise that can accomplish this task.

Sean Cochran is one of the most recognized golf fitness instructors in the world today. He travels the PGA Tour regularly working with professional golfers, most notable PGA and Masters Champion Phil Mickelson. To learn more about Sean Cochran and his golf fitness exercises and training programs go to http://www.seancochran.com

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