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Chapter 6
| Question | Answer |
|---|---|
| Contraction | The process when the muscle gets stronger and tighter |
| Muscle fibers | A muscle cell |
| Skeletal muscle | It is the majority of the muscle |
| Endomysium | It is a wispy layer of connective tissue |
| Perimysium | Fibrous connective tissue that surrounds the primary tissue |
| Epimysium | Is a fibrous tissue that surrounds the skeletal muscle |
| Fascicle | A cluster or a bundle |
| Smooth muscle | A muscle that has no striations |
| Cardiac muscle | Muscle that surrounds the heart |
| Sarcolemma | This is a cell membrane that encloses each muscle cell |
| Sarcomere | One of the repeating contractile segments |
| Myosin | A family of ATP-dependent motor proteins |
| Actin | A globular multi-functional protein |
| Sarcoplasmic reticulum | A membrane bound structure found in muscle cells |
| Motor unit | Made up of motor neurons and skeletal muscle fibers |
| Axon | The long threadlike part of a neuron cell |
| Acetylcholine | Is one of many neurotransmitters |
| Muscle fatigue | A condition in which the muscle`s capacity to produce maximum voluntary actions |
| Isotonic contractions | Is where muscle contraction without appreciable change in voluntary actions |
| Isometric contractions | Is where contraction without appreciable shortening of force |
| Origin | The origin of muscle is bone |
| Insertion | Is the point where muscle attaches to skin |
| Synergists | A muscle that assists in the prime mover |
| Antagonists | A muscle that acts opposition to another muscle |
| Fixators | A muscle that serves as a stabilizer |
| Fascia | Is another connective tissue located outside the epimysium |
| Muscle twitch | Is a contraction of an entire muscle stimulus |
| Orbicularis oculi muscle | The muscle that controls the eyelids |
| Zygomaticus major muscle | Muscle that controls facial expressions |
| Buccinator muscle | Muscle that keeps food in the correct position |
| Levator labii superioris | It elevates the upper lip |
| Depressor anguli oris | Muscle that controls frowning |
| Levator anguli oris | Muscle that controls smiling |
| Risorius | Muscle that angles the mouth |
| Depressor labii inferioris | It is the muscle that moves the mandible |
| Frontalis | It moves your eyebrows |
| Zygomaticus minor | A muscle that inserts the outer part and the upper lip in facial expression |
| Superior auricular | Pulls the ears upward |
| Masseter | This muscle plays a major role in chewing food |
| Vertical muscle of tongue | This muscle flattens and broadens the tongue |
| Levator palpebrae superioris | Retracts and elevates eyelids |
| Posterior auricular | Inserted at the lower part of the cranial |
| Transverse muscle of the chin | This is a facial nerve |
| Stylohyoid | Elevates the hyoid during swallowing |
| Styloglossus | retraction and elevation of the tongue |
| Teres minor | Rotates the arm laterally |
| Palatoglossus | Raises the back part of the tongue |
| Palatopharyngeus | Pulls pharynx and larynx upward |
| Inferior longitudinal muscle of tongue | retracts the tongue superior |
| Pectoralis major | Makes up most of the chest |
| Pectoralis minor | Located near the upper part of the chest |
| Triceps | Extends forearms |
| Rectus abdominis | Helps flex the spinal cord |
| Biceps | Flexs elbow |
| Serratus anterior | protracts and stabilizes scapula |
| Transversus thoracis | depresses ribs |
| Gastrocnemius | This is one of the main muscles in the calves |
| Soleus | This is a small muscle in the back of the lower leg |
| Plantaris | This is a small muscle in the back of the lower leg. |
| quadriceps femoris | It flexes the thigh |
| hamstring muscles | This muscle helps bend the knee |
Created by:
jdharro3
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