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Anatomy Muscle Test
| Question | Answer |
|---|---|
| the ability for muscles to contract | contractility |
| the ability for muscles to respond | excitability |
| the ability for muscles to stretch | extensibility |
| elasticity | the ability for muscles to recoil |
| muscles are surrounded by a connective tissue | epimysium |
| actin myofilaments | thin myofilaments |
| myosin myofilaments | thick myofilaments |
| muscle twitch | a contraction of an entire muscle in response to a stimulus |
| lag phase | beginning of muscle contraction |
| contraction phase | time of contraction |
| Anaerobic Respiration | Without Exercise |
| Aerobic Respiration | With oxygen |
| Muscle Fatigue | when ATP is used during muscle contraction |
| isometric | the length of the muscle |
| isotonic | the amount of tension produced by the muscle |
| Muscle Tone | the constant tension produced muscles of the body for long periods of time. |
| Fast-Twitch fibers | contract quickly and fatigue quickly |
| Slow-Twitch fibers | contract more slowly and are more resistant to fatigue |
| origin | stationary end of the muscle |
| insertion | end of the muscle with the greatest movement |
| belly | portion of muscle between the origin and insertion |
| synergists | muscles that work together to accomplish specific movements. |
| antagonists | muscles that work in opposition to one another |
| fixators | specialized synergists |
| Frontalis | Frontal bone muscle |
| orbicularis oculi | muscles that run in circles around the eyes |
| buccinator | buccinator muscle runs horizontally across the cheek. (chewing muscle) |
| zygomaticus | corner of mouth to cheek muscle |
| Masseter | muscle that covers the lower jaw |
| Temporalis | fan shaped muscle overlying the temporal bone |
| Sterncleidomastoid | two headed muscles |
| Platysma | single sheetlike muscle that covers the anterolateral neck. |
| trapezius | most superficial posterior neck and upper trunk |
| deltoid | fleshy, triangular shaped muscles |
| pectoralis major | upper chest muscle |
| Biceps Brachii | Muscles on forearm to |
| Triceps Brachii | tricep muscle |
| rectus abdominis | rectus muscle |
| external oblique | superficial muscle |
| internal oblique | deep muscle |
| tranverse abdominis | deep abdominal muscle |
| gulteus maximus | cheek butt muscle |
| gulteus medius | muscle from the ilium to the femur |
| biceps femoris | hamstring muscle |
| semitendinosus | hamstring muscle |
| Semimembranous | hamstring muscle |
| rectus femoris | pelvis muscle |
| Vastus lateralis | vastus muscle |
| vastus medialis | vastus muscle |
| gastrocnemius | calf muscle |
| soleus | shin muscle |
| Calcaneal | Achilles Tendon |
| extensor digitorum longus | shin muscle |
| flexor carpi | carpal muscle |
Created by:
gsuttle815
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