cscs Chap. 1 Word Scramble
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Question | Answer |
What part of the brain controls skeletal muscles? | Cerebral cortex |
Strength and Conditioning professionals are concerned with... | Maximizing physical performance |
Strength and Conditioning professionals design programs to... | increase muscular strength, muscular endurance, and flexibility. |
Epimysium is continuous with the tendons at the ends of the muscle surrounding what? | The muscle belly |
Tendons attach to bone... | Periosteum |
Muscle cells are called__________. | Muscle fibers |
Under the epimysium muscle fibers are grouped in bundles called____________. | Fasciculi |
Each fasciculi is surrounded byconnective tissue called___________. | Perimysium |
Each muscle fiber is surrounded by connective tissue called___________. | Endomysium |
Each muscle fiber is surrounded by the endomysium and enriched by a continuous membrane called the___________. | Sarcolemma |
The name of a nerve cell | Motor Neuron |
The junction between a motor neuron and the muscle fiber it innervates is called the____________ or____________. | Motor end plate, neuromuscular junction. |
A motor neuron and the muscle fibers it innervates are called a_____________. | motor unit |
When muscle fibers are stimulated by the motor neuron they _______________. | Contract together |
The cytoplasm of a muscle fiber that contains contractile components. | Sacroplasm |
_________ contain the apparatus that contracts the muscle cell, this is called the ___________ | Myofibrils, sarcomere |
The sarcomere contains two types of myofilaments, __________ and ________. | Myosin, actin |
Globular heads called __________ protrude away from the _______ filament. | cross bridges, myosin |
The _______ filament consists of two strands that are arranged in a _______ _______ | Actin, Double Helix |
_______ actin filaments surround each myosin filament. | 6 |
Each actin filament is surrounded by ______ myosin filaments. | 3 |
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