*NURSING > QUESTIONS & ANSWERS > VCE P.E Unit 1, Top Exam Questions and answers, 100% Accurate, rated A (All)

VCE P.E Unit 1, Top Exam Questions and answers, 100% Accurate, rated A

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VCE P.E Unit 1, Top Exam Questions and answers, 100% Accurate, rated A Uniaxial only allows rotation - ✔✔-Pivot Joint Flat bones glide past each other usually in biaxial manner - ✔✔-Glidin... g Joint Rounded bond head articulates with a cup-shaped cavity - ✔✔-Ball and Socket Joint Uniaxial Joint - ✔✔-Hinge Socket Concave and Convex bone surfaces align, generally biaxial - ✔✔-Saddle Joint Similar to hinge also allows rotation - ✔✔-Condyloid Joint Three Types of Movement - ✔✔-Skeletal, Cardiac, Smooth Neuromusculoskeletal System - ✔✔-The nerves, bones and muscles within the body Epimysium - ✔✔-If you were to take a muscle and cut through it, you would find the muscle is covered in a layer called... Perimysium - ✔✔-Looking at the cross section of the muscle, you can see bundles of muscle fibres known as fascicles surrounded by a layer called the... Endomysium - ✔✔-Looking at each muscle fibre in detail, you can see that they are surrounded by a thin layer called the... Myofibrils - ✔✔-What are fibres made up of? Sarcomeres - ✔✔-Myofibrils have many units known as... Myofilaments - ✔✔-Myofibrils are further divided into... Myosin - ✔✔-Thick filament in a muscle Actin - ✔✔-Thin filament in a muscle The sliding filament theory - ✔✔-How do muscle contractions occur? Isotonic, Isometric, Isokinetic - ✔✔-3 Types of Muscle Contractions Isotonic - ✔✔-Muscle length changes through a range of motion or action Concentric - ✔✔-The muscle length shortens Eccentric - ✔✔-The muscle length lengthens Isometric - ✔✔-The muscle length remains unchanged while tension is developed Isokinetic - ✔✔-The resistance changes according to the joint angle Fusiform - ✔✔-Name the type of muscle fibre: -long and thin -run the length of the muscle in the same direction as the tendon -produce low force -contract rapidly -there are few of these muscle fibres Penniform - ✔✔-Name this type of muscle fibres: -run at angles -produce great force -but at slower rate -make up 75% of skeletal muscles -allows considerably more fibres to be packed into a muscle therefore a greater number of fibres contributes to muscle action Unipennate - ✔✔-Fibres on one side of tendon Binpennate - ✔✔-Fibres on both sides of tendon Multipennate - ✔✔-Fibres branch out from a number of tendons Slow Twitch, Fast Twitch - ✔✔-Two different types of fibres -Type 1 fibres -Red in colour -Best suited to aerobic, endurance work -Contract slowly with less force -Contract for longer periods of time -Increased capacity to use oxygen -Do not fatigue easily - ✔✔-Major characteristics of Slow Twitch Muscle Fibres (7) -Type 2 fibres -White in colour -Best suited to short duration, high intensity (anaerobic) work -Contract rapidly -Contract with great force -Contract for shorter time periods -Large fibre diameter -Fatigue easily - ✔✔-Major characteristics of Fast Twitch Muscle Fibres (8) Fibre arrangement, muscle fibre recruitment, muscle fibre type, speed on contraction, gender differences, age differences - ✔✔-List some factors that affect muscle strength Heart, Blood Vessels, Blood - ✔✔-What is the cardiovascular system made up of? Behind the Sternum - ✔✔-Where is the heart situated [Show More]

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