Swinging Sticks Kinetic Energy Sculpture

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Unfortunately, Steindler did not quantify the term “considerable” in his initial definition, this leads to confusion and controversy as to what is considered a true closed kinetic chain movement.

Cheetham P.J., Martin P.E., Mottram R.E., St.Laurent B.F. (2001) The importance of stretching the ‘X-Factor’ in the downswing of golf: the ‘X-Factor stretch’. : Optimising performance in golf. Thomas P.R.Brisbane, QLD: Australian Academic Press; 192-199 [ Google Scholar] However, over time the swing of the pendulum decreases in size and slows down. This is not because the energy is being destroyed but instead some of the kinetic energy is being transferred as thermal energy to the surroundings through the friction between the pendulum and the air particles.We have three degrees of freedom that are measured in feet and inches or meters and centimeters and then we have another three degrees of freedom that are measured in degrees. One’s linear, one’s angular. Examples of Degrees of Freedom > Image Credit to Dr Phil Cheetham’s PDF Basic Biomechanics for Golf While Defne Kaya et al, concluded that closed kinetic chain exercises 0-40 degrees knee flexion is better tolerated than open kinetic chain exercise in patients with PFPS due to lowered joint reaction forces. [9] Squats are the most common closed kinetic chain exercise prescribed for PFPS patients and as mentioned they should be performed with limited knee flexion to avoid increasing patellofemoral forces. [10] The author suggests that both open and closed kinetic chain can be done for patients with PFPS with pain being the most important guide during the treatment. [9] What happens to the potential energy as the pendulum swings down? (Answer: It turns into kinetic energy.)

BOOK – Search for the Perfect Swing: The Proven Scientific Approach to Fundamentally Improving Your Game The total amount of energy transferred to the kinetic energy stores and thermal energy stores is equal to the energy initially transferred from the gravitational energy stores. Budney D.R., Bellow D.G. (1982) On the swing mechanics of a matched set of golf clubs. Research Quarterly for Exercise and Sport 53( 3) 185-192 [ Google Scholar] Horwood G.P. (1994) Golf shafts - a technical perspective. Proceedings of the 1994 World Scientific Congress of Golf, St. Andrews, Scotland:Open kinetic chain exercises are typically characterized by a rotary stress pattern at the joint. For example, when doing a seated knee-extension the primary stress to the joint is the rotation of the distal tibia on the proximal femur even though other accessory movements like rolling and translation occur. Rivera JE. Open versus closed kinetic chain rehabilitation of the lower extremity: a functional and biomechanical analysis. JSR. 2010 Apr 21;3(2).

These types of exercises allow for more isolated muscle activation because less muscle co-contraction is used to perform the movement. [2] Gravitational field strength is the strength of the gravitational field in which the object is found. The units for gravitational field strength are Newtons per kg (N/kg) and it is measured as the size of the force of gravity acting on an object in Newtons for every 1 kg of mass the object has.The principle of energy states that energy can only be transferred and is never created nor destroyed. It’s truly amazing when I look at a kinematic sequence signature graph, I can immediately tell whether that’s a tour pro or an amateur. The signatures are just so consistent. Dr Phil Cheetham