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What is actin? Actin is a thin protein filament in muscle fibers that works with myosin for muscle contraction. What is myosin? Myosin is a thick protein filament in muscle fibers that interacts with actin to cause muscle contraction. What is a sarcomere? A sarcomere is the basic contracting uni...

Differentiate between complete and incomplete proteins and provide typical sources of each. Complete proteins: Have all nine essential amino acids. Ex. Animal sources of protein (milk, meat) Incomplete proteins: Lack one or more of the essential amino acids. Ex. Plant sources of proteins (legume...

essential nutrient a nutrient that the body needs to function properly, one that it cannot make itself chronic disease an ongoing condition or illness; ie. cancer, cardiovascular disease energy - the ability to do work - measured in kilocalories (kcal) nutrient density having a high nutrient co...

Which ONE regarding body weight is FALSE? A. There is evidence that obese people are more likely to eat in response to visual cues than are non-obese people. B. Most North American females are within 5 kg of their ideal weight. C. Medical definitions of ideal weight are based heavily on data com...

Obesity having an excess amount of body fat, above 30 BMI Factors for excess weight gain energy intake and energy expenditure Energy Intake the amount of food a person eats; in other words, it is the number of kilocalories consumed - hunger, appetite and satiety Energy expenditure how many calo...

methods of determining ideal weight -height-weight tables -body mass index -waist circumference -skinfold thickness -body density by hydrostatic weighing -whole body electrical impedance -dual energy x-ray absorptiometry -cat scan / mri causes of obesity -metabolic factors -leptin -family ...

Define flexibility The ability to maximize the range of motion at a given joint Define stretching A component of exercise programs List benefits of maintaining adequate range of motion (flexibility) (7) 1) joint health 2) reduction of low back pain and injuries 3) additional potential benefits s...

What is the definition of kinematics? How does this differ from kinetics? Kinematics is the study of motion without regard for the forces that cause the motion. These options include positions, velocities, accelerations as well as angles, angular velocities, and angular accelerations. Kinetics, ...

What is the role of augmented feedback? Allows learner to know if they are performing skill correctly, can also be used to motivate Hindbrain Part of the brain stem Has cerebellum, pons, medulla Midbrain Part of the brain stem Tectum (superior and inferior colliculi), tegmentum Diencephalon Th...

How many vertebrae are there? Location and # Cervical-7 Thoratic-12 Lumbar-5 Sacral-5 Coccyx Label one spinal bone Transverse process spinous process Facet jints Lamina Neral arch Vertabrea body Ligaments Anterior and posterior longitudinal lig Ligamenta Flava Interspinous Lig Suprasp...

What is motivation? The process that controls both the direction and strength of choice made by a person among alternative courses of actions -Vroom, 1964 What are the 5 critical concepts of motivation? ∙Direction (positive or negative motivation) ∙Intensity (strong or moderate) ∙Persiste...

life expectancy - measure of health along with IMR - Average within a population Life span number of years we are biologically wired to live (120 yrs) medical model - physician is responsible for health through presrcibed treatment - focused on disorder not person sign trait you can see sympto...