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35 Cards in this Set
- Front
- Back
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Muscular System |
Comprised of about 600 skeletal muscles |
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Myology |
The study of muscles |
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Endomysium |
Areolar connective tissue covering an individual muscle fiber |
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Fascicles |
Bundle of muscle fiber |
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Perimysium |
Connective tissue sheath surrounding an individual fascicle |
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Epimysium |
Connective tissue layer surrounding an individual muscle |
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Deep Fascia |
Connective tissue separating adjacent muscles |
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Superficial fascia |
Connective tissue sheet separating muscle and skin |
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Direct (fleshy) attachment |
Muscle attachment to bone in which collagen fibers of the epimysium are continuous with the periosteum |
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Indirect attachment |
Muscle attachment in which the epimysium form a tendon that merges into the periosteum |
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Fusiform Muscle |
Muscle that is thick in the middle and tapered at each end |
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Parallel Muscle |
Muscle that has a uniform width |
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Convergent Muscle |
Muscle that is fan-shaped |
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Pennate Muscle |
Muscle that is feather-shaped |
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Circular Muscle |
Muscle that forms a ring around a body opening |
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Prime Mover (agonist) |
Muscle that produces most of the force during a particular joint action |
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Synergist |
Muscle that aids the prime mover |
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Antagonist |
Muscle that opposes the prime mover |
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Fixator |
Muscle that prevents a bone from moving
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Intrinsic Muscle
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Muscle entirely contained within a particular region, having both its origin and insertion there |
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Extrinsic Muscle |
Muscle that acts upon a designated region but has its origin elsewhere |
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Innervation |
Nerve supply to an organ |
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Rectus Sheath |
Fibrous sleeve enclosing rectus abdominis |
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Linea Alba |
Vertical Fibrous strip separating the rectus abdominis into right and left halves |
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Inguinal ligament |
Aponeurosis that extends from the pubis to the anterior superior spine of the ilium |
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Perineum |
Diamond shaped region between the thighs bordered by the pubis symphysis, coccys, and ishial tuberosities |
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Urogenital triangle |
Anterior half of perineum |
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Anal Triangle |
Posterior half of perineum |
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Superficial perineal space |
Layer of pelvic floor just deep to the skin |
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Urogenital diaphragm |
Middle layer of pelvic floor |
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Pelvic Diaphram |
Deepest layer of pelvic floor |
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Rotator cuff |
Tendons of the infraspinatus, supraspinatus, subscapularis, and teres minor |
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Hernia |
Condition in which the viscera protrude through a weak point in the muscular wall of the abdominopelvic cavity |
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Carpel tunnel syndrome |
Condition characterized by inflamed, swollen, or fibrotic tissue in the wrist |
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Tongue |
The only muscle in the body with an origin and no insertion |
