Lecture Unit 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Arrangement of Fascicles | Parallel, Convergent, Circular, Unipennate, Bipennate, Multipennate.
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| Parallel Fascicles | Long axis run parallel. Ex. Rectus abdominis, Sartorius.
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| Convergent Fascicles | Broad origin, converge towards insertion. Ex. Pectoralis major.
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| Circular Fascicles | Concentric rings. Ex. Obicularis oris, Obicularis oculi.
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| Pennate Fascicles | Short and obliquely attached. Unipennate: Extensor digitorum. Bipennate: Rectus femoris. Fibers come off both sides of the tendon. Multipennate: deltoid.
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| Naming Muscles | Action: supinator. Body Region: Rectus femoris. Attachments: sternocleidomastoid. Orientation: external abdominal oblique. Shape/size: Gluteus maximus. #of Attachments: Triceps brachii
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| Brachial Muscles (4) Name, Origin, Insertion | BICEPS BRACHII, Supraglenoid tubercle, coracoid pro, Radial tuberosity. BRACHIALIS, shaft -humerus, Coranoid pro. BRACHIORADIALIS, lateral supracondylar ridge, styloid pro-radius. TRICEPS BRACHII, infraglenoid tubercle & shaft of humerus, olecranon pro
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| Tendon | Continuation of endomysium, perimysium, and epimysium.
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| Rotator Cuff Muscles (4) Name, Origin, Insertion SITS muscles! | SUPRASPINATUS, supraspinous fossa, greater tubercle. INFRASPINATUS, infraspinous fossa, greater tubercle. TERES MINOR, lateral border of scapula, greater tubercle. SUBSCAPULARIS, subscapular fossa, lesser tubercle.
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| Intertubercular Groove Muscles (3) | Pectoralis Major, Teres Major, Latissimus dorsi. "2 majors and a mus."
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| Pectoralis Major O & I | O: Clavicle, sternum, ribs 2-6
I: Intertubercular groove
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| Teres Major O | O: Lateral border & inferior angle of scapula
I: Intertubercular groove
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| Latsissimus dorsi O | O: Spinous processes of T7-T12, ribs 8-12, iliac crest, thoracolumbar fascia
I: Intertubercular groove
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| Quadriceps Muscles (4) | Rectus femoris, Vastus lateralis, Vastus intermedius, Vastus medialis.
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| Rectus femoris O | O: Anterior inferior iliac spine
I: Tibial tuberosity
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| Vastus lateralis O | O: Greater trochanter & linea aspera
I: Tibial tuberosity
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| Vastus intermedius O | O: Shaft of femur
I: Tibial tuberosity
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| Vastus medialis | O: linea aspera & intertorchanteric line
I: Tibial tuberosity
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| Hamstring Muscles (3) Origins and Insertions | BICEPS FEMORIS, Ischial tuberosity & linea aspera, Head of fibula. SEMIMEMBRANOSUS, Ischial tuberosity, Medial condyle of tibia. SEMITENDINOSUS, Ischial tuberosity, Pes anserinus.
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| Agonist | (Prime mover) Produces a particular movement. Does the majority of movement at a joint.
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| Antagonist | Opposes the agonist.
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| Synergist | Aids the prime mover.
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| Fixator | A synergist that assists the agonist by stabilizing the joint at the origin. Ex. Elbow flextion agonist=biceps brachii. fixator=deltoid.
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| Muscular Dystrophy | Inherited group of muscle disorders. Muscles enlarge, though muscle fibers atrophy. Most common and serious form is Duchenne. X-linked recessive gene. 1 in 3500 births. Mostly male. Lacks protein dystrophin.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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punkaloo
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