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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Sheet Metal Roofing - Simple Facts

In a common way of thinking, metal roofs are considered to be traditional. But along with the times, they are again getting used often due to their distinct features. They are arguably durable, lighter compared to other roofing types, lesser maintenance, and energy efficient and fire retardant.

Metal roofing can be seen on numerous homes. Due to its versatility, it can be installed anywhere and will require lesser time and effort, withstanding the worst weather conditions and would be easy to replace.

The aluminum and steel type of this metal roofing are currently the most widely used. Both can offer great lengths of durability and being lightweight as a bonus. Aluminum and steel are usually have a tile appearance. Even without support from rafters, they can be installed easily. However, the most expensive type can be of copper material as they can provide the best appearance of the three.

Aluminum types can mimic tiles, slate and cedar shakes. They don't rust. As a good benefit of using them, they actually lessen the sound of rain, to this fact remains the best turnaround choice for most metal roofing adopters.

For aluminum, they weigh about half a pound per square foot and 1.5 pounds for steel. This is the advantage of metal roofing as they can be installed over multiple sheets of shingles. With this kind of material, it would be optional to add roof rafters to get an added load.

Aside from the fact that it is easy to install, sheet metal roofing can be of shingles. It makes installation better and would cost lower. The quickness of installation can be advantageous when the weather can be unpredictable to lessen the time to where rain can be disastrous to an open-roofed house.

Furthermore, they are also a good fire retardant. Metal roofing is a noncombustible material and can resist fire up to class A. Class A can be the ones that insurance companies give discounts due to the less probability of catching fire and having more time to extinguish them before things gets worse.

Some of the newer types of roofing have insulation foam on the bottom of the sheets to reduce radiant heat. The metal roofing pitch can be relatively low; usually it ranges from 3 to 12 inches. You can check the metal roofing's data sheet to make sure they can be installed on your home.

For tips on using metal roofing, visit http://www.metalroofing101.com

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