Muscle attachments
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Origin | stationary, immovable attachment of muscle to bone
🗑
|
||||
| Insertion | movable attachment of muscle to bone
🗑
|
||||
| Abduction | limb away from median plane
🗑
|
||||
| Adduction | Limb toward median plane
🗑
|
||||
| Flexion | decreace joint angle, brings bones closer
🗑
|
||||
| Extension | increase joint angle, bones farther apart
🗑
|
||||
| Rotation | Circle
🗑
|
||||
| Circumduction | Cone
🗑
|
||||
| Skeletal Muscle | 1. Striated or voluntary 2. Conprises the bulk of the body's muscles 3. attached to skeleton or associated connective tissue
🗑
|
||||
| Cells of Skeletal muscle | 1. relatively large 2. multi-nucleited 3. long & cylindrical 4. Sarcolemma 5. Sarcoplasm 6. Also called fibers 7. Ranges from 10 microm- 6cm
🗑
|
||||
| Sarcomere | 1. contractile unit 2. goes form one Z line to the next 3. Actin 4. Myosin
🗑
|
||||
| Actin | thin filamentboth light & dark
🗑
|
||||
| Myosin | thick proteinonly in the dark band
🗑
|
||||
| Endomysium | encloses muscle fibers delicate, areolar connective tissue sheath
🗑
|
||||
| Perimysium | a collagenic membrane sheaths muscle fibers forming a bundle of fibers called fascicle
🗑
|
||||
| Epimysium | sheaths the entire muscle large number of fascicles are bound togethervery coarse
🗑
|
||||
| Tendons | tough band of fibrous connective tissue that usually connects muscle to bone and is capable of withstanding tesion
🗑
|
||||
| Aponeurosis | 1. sheetlike tendinous expansion, serving to connect a muscle with the parts it moves 2. attach muscles to each other or indirectly to bones
🗑
|
||||
| Motor unit | a neuron and all the muscle cells it stimulates
🗑
|
||||
| Synaptic cleft | a small fluid-filled gap that separates the neuron and muscle fiber membranes
🗑
|
||||
| Acetylcholine (ACh) | neurotransmitter chemicleallows change in the permeability of the sarcolemma
🗑
|
||||
| Vesicles | store various neurotransmitters
🗑
|
||||
| Agonists | prime moversresponsible for producing a particular movement
🗑
|
||||
| Antagonists | oppose or reverse a movement
🗑
|
||||
| Synergists | aid the action of agonists
🗑
|
||||
| Fixators | specialized synergists
🗑
|
||||
| Retus | Direction of fibers
🗑
|
||||
| Maximus | Size
🗑
|
||||
| Frontalis | Location
🗑
|
||||
| Biceps | number of origins
🗑
|
||||
| Sternocleidomastoid | location of origin and insertion
🗑
|
||||
| Trapezius | shape
🗑
|
||||
| Adductor | Action
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Cediana Studying
Popular Anatomy sets