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36 Cards in this Set
- Front
- Back
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What are gliding movements? Give an example. |
one flat bone surface sliding or gliding over another. back to back, side to side. intercarpal and intertarsal joints |
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What are the characteristics of skeletal muscles? |
bone, voluntary, striated |
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Name the ligaments in the elbow |
anular, radial/ulnar collateral |
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What is the bursa? What is the word for inflammation of the bursa? |
membrane sacs containing synovial fluid. reduces friction of joints. Bursitis. |
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What is the M line and Z disc? |
M line: myomysin molecules. Z-disc: interruption in I line. (z-disc to z-disc is sarcomere) |
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What is resting potential, depolarization and depolarization? |
-70mV, +33mV (message going through), message recieved |
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Whole muscles are made up of? |
fascicles |
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What are sarcomeres made up of? |
myofilaments: myosin, actin filaments |
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Describe these movements: opposition, supination, pronation, dorsiflexion, plantarflecion, inversion, eversion, pro/retraction, elevation/depression |
opposition: thumb to finger, supination: radius and ulna parallel, pronation: radius and ulna crossed, dorsiflexion: superior surface of foot towards shin, plantar flexion: point toes, inversion: foot turns medially, eversion: foot turns laterally, mandible out, mandible in, chewing |
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What is the H zone? |
myosin |
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What are the characteristics of cardiac muscle? |
heart, involuntary, non-striated, branched, intercalated discs |
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Name connective tissue sheaths of skeletal muscle |
Epimysium: around muscle, Perimysium: around fascicle, Endomysium: around muscle fiber. sarcolemma surrounds muscle cell before endo. |
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What are myofibrils made up of? |
repeating units of sarcomere |
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What are muscle cells made of? |
myofibrils |
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What is aerobic ATP? |
32 ATP, slow, requires oxygen and glucose |
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What is symphysis? |
fibrocartilage pad at the joint allowing some movement (pubic symphysis) |
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What is Synchondroses? |
hyaline cartilage plate at end of joint. allows no movement. (epiphyseal plate) |
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What are cartilaginous joints? |
articulating bones joined by cartilage fibers |
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Name the ligaments in the shoulder |
coraco/glenohumeral |
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What is the threshold? |
-55mV |
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What is Creatine Phosphate? |
1 ATP, fast, Creatine Phosphate |
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What is Rheumatoid Arthritis? |
autoimmune disease where body attacks its own joints |
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Describe the following angular movements: flexion, extension, abduction, adduction, circumlocution, rotation |
flexion: bending, extension: straightening, abduction: away from midline, adduction: towards midline, circumducution: cone shape, rotation: bone turning around axis (C1 & C2) |
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What are I bands? |
actin |
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What are A bands? |
Actin & myosin |
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Name the characteristics of Sutures, Syndesmosis and Gomphosis |
sutures: short collagen fibers (skull), Syndesmosis: longer collagen fibers (ligament fibers connecting distal ends of tibia and fibula), Gomphosis: short collagen fibers (tooth in bony socket) |
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What are fibrous joints? |
articulating bones joined by collagen fibers |
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Name the ligaments in the knee |
patellar, collateral (tibular/fibular), poplietal (arcuate/oblique), cruciate (anterior/posterior) |
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What are tendon sheaths? What is the term for inflammation of tendon sheaths? |
elongated bursa wrapping around a tendon. tendonitis |
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What are the characteristics of smooth muscle? |
involuntary, digestive tract, non-striated |
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What is the sarcoplasmic reticulum? |
interconnecting tubules surrounding myofibril |
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What are the ligaments in the hip? |
Ilio, pubo, ischiofemoral, ligamentum teres |
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What is anerobic ATP? |
2 ATP, not so fast, glucose |
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What are fascicle made up of? |
muscle fibers |
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What are the steps of message transmission at the neuromuscular junction |
influx of calcium ions, vesicle formation around calcium ion and ACh, exocytosis of vesicle, ACh is released into synapse, ACh binds with receptor in sarcolemma of muscle, acetyl choline esterase is enzyme produced to destroy ACh |
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What is the triad? |
2 terminal cisterns & 1 T tubule |
