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50 Cards in this Set
- Front
- Back
Human movement system |
The combination and interrelation of the nervous, muscular, and skeletal system. |
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Nervous system |
A conglomeration of billions of cells specifically designed to provide a communication network within the human body. |
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Sensory function |
The ability of the nervous system to sense changes in either the internal or external environment. |
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Integrative function |
The ability of the nervous system to analyze and interpret sensory information to allow for proper decision making, which produces the appropriate response. |
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Motor function |
The neuromuscular response to the sensory information. |
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Proprioception |
The cumulative sensory input to the central nervous system from all mechanoreceptors that sense body position and limb movement. |
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Neuron |
The functional unit of the nervous system. |
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Sensory neurons |
Transmit nerve impulses from effector sites via receptors to the brain and spinal cord. |
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Interneurons |
Transmit nerve impulses from one neuron to another. |
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Motor neurons |
Transmit nerve impulses from the brain and spinal cord to effector sites. |
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Central nervous system |
The portion of the nervous system that consists of the brain and spinal cord. |
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Peripheral nervous system |
Cranial and spinal nervous that spread throughout the body. |
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Mechanoreceptors |
Sensory receptors responsible for sensing distortion in body tissues. |
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Muscle spindles |
Receptors sensitive to change in length of the muscle and the rate of that change. |
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Golgi tendon organs |
Receptors sensitive to change in tension of the muscle and the rate of that change. |
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Joint receptors |
Receptors surrounding a joint that respond to pressure, acceleration and deceleration of the joint. |
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Skeletal system |
The body framework, composed of bones and joints. |
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Bones |
Provide a resting ground for muscle and protection of vital organs. |
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Joints |
junctions of bones, muscles, and connective tissue at which movement occurs also known as articulation. |
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Axial skeleton |
Portion of the skeletal system that consists of the skull, rib cage, and vertebral column |
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Appendicular skeleton |
Portion of the skeletal system that includes the upper and lower extremities. |
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Remodeling |
The process of resorption and formation of bone. |
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Osteoclasts |
A type of bone cell that removes bone tissue. |
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Osteoblasts |
A type of cell that is responsible for bone formation. |
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Epiphysis |
The end of long bone, which is mainly composed of cancellous bone, and House much of the red marrow involved in red blood cell production. They are also one of the primary sites for bone growth. |
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Diaphysis |
The shaft portion of a long bone. |
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Epiphyseal plate |
The region of long bone connecting the diaphysis to the epiphysis. It is a layer of subdividing cartilaginous cells in which growth in length of the diaphysis occurs. |
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Periosteum |
A dense membrane composed of fibrous connective tissue that closely wraps all bone, except that of the articulating surfaces in joints, which are covered by a synovial membrane. |
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Medulla cavity |
The central cavity of bone shafts where marrow is stored. |
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Articular cartilage |
Cartilage that covers the articular surface of bones. |
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Depressions |
Flattened or indented portions of bone, which can be muscle attachment sites. |
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Processes |
Projections protruding from the bone where muscles, tendons, and ligaments can attach. |
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Vertebral column |
A series of irregularly shaped bone called vertebrae that houses the spinal cord. |
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Arthrokinematics |
Joint motion. |
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Synovial joint |
Joints that are held together by a joint capsule and ligaments and are most associated with movement in the body. |
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Nonsynovial joint |
Joints that do not have a joint cavity, connective tissue, or cartilage. |
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Ligament |
Primary connective tissue that connects bones together and provides stability, input to the nervous system, guidance, and the limitation of improper joint movement. |
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Muscular system |
Series of muscle that moves the skeleton. |
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Epimysium |
A layer of connective tissue that is underneath the fascia and surrounds the muscle. |
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Perimysium |
The connective tissue that surrounds fascicles. |
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Endomysium |
The deepest layer of connective tissue that surrounds individual muscle fibers. |
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Tendons |
Connective tissues that attach muscle to bone and provide an anchor for muscles to produce force. |
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Sarcomere |
The functional unit of muscle that produces muscular contraction and consists of repeating sections of actin and myosin. |
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Neural activation |
The contraction of a muscle generated by neural stimulation. |
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Motor unit |
A motor neuron and all of the muscle fibers it innervates. |
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neurotransmitters |
Chemical messengers that cross the neuromuscular junction to transmit electrical impulses from the nerve to the muscle. |
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Structure of the skeletal muscle |
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Excitation-contraction coupling |
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Muscle fiber type |
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Muscle as movers |
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