Chapter 9 Anatomy & Physiology
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| The type of muscle that is only found in the heart | Cardiac Muscle
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| this muscle consist of short, branching fibers that fit together in intercalated discs | Cardiac Muscle
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| The type of muscle that is found in the digestive tract, blood vessels, bladder, airways, and uterus | Smooth Muscle
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| The type of muscle that attaches bone and causes movement to the body | Skeletal Muscle
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| A skeletal muscle cell is called a | Muscle Fiber
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| A delicate connective tissue that covers each muscle fiber is called | Endomysium
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| muscle fibers that are grouped in bundles are called | Fascicles
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| A sheath of tougher connective tissue that encases the fascicles is called | Perimysium
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| a layer of connective tissue that surrounds the muscle as a whole and binds all the muscle fibers together is called | Epimysium
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| Connective tissue that surrounds the muscle outside the epimysium is called | Fascia
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| this lies between muscles | Deep Fascia
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| this resides just under the skin | Superficial Fascia
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| Muscle fibers that merge with the periosteum of the bone, forming a strong attachment is called | Direct Attachment
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| when the epimysium extends past the muscle as a tendon . the tendon then merges with the periosteum is called | Indirect Attachment
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| the plasma membrane surrounding each muscle fiber is called a | Sarcolemma
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| the cytoplasm of the a muscle cells is called | Sarcoplasm
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| long protein bundles that fill the Sarcoplasm is called | Myofibrils
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| the smooth endoplasmic reticulum of a muscle fiber that surrounds each myofibril is called | Sarcoplasmic Reticulum
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| Myofibrils consists of even finer fibers called | Myofilaments
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| thick myofilaments are made of a protein called | Myosin
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| thin myofilaments consist of protein called | Actin
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| A system of tubules that extend across the sarcoplasm is called | Transverse Tubules
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| A plate or disc that serves as an anchor point for thin myofilaments is called | Z-disc/ Z-line
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| the section between the z-discs is called a | Sarcomere
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| the neuron and all the fibers is stimulates is called a | Motor Unit
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| the minimum voltage needed to cause a muscle fiber to contract is called the | Threshold
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| when a fiber receives a stimulus at or above threshold, it responds after a brief lag by quickly contracting and then relaxing is called | Twitch
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| the phenomenon, in which each successive twitch contracts more forcefully the previous one is called | Treppe
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| the condition of rapid contraction with only partial relaxation is called | incomplete tetanus
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| if the impulses arrive so fast that the muscle cant relax at all between stimuli is called | Complete tetanus
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| this refers to the end of the muscle that attaches to the more stationary bone | Origin
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| the thick mid-section of the muscle is called | the belly
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| the end of a muscle that attaches to the more movable bone is called | Insertion
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| muscles that trigger movement is called | Prime mover
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| muscles that assist in movement are called | Synergists
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| muscles that balance movements are called | Antagonists
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| this muscle raises the eyebrows when glancing upward or showing surprise | Frontalis
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| A sphincter muscle that closes the eye when blinking or squinting | Orbicularis Oculi
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| this muscle draws the mouth upward when laughing | Zygomaticus
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| this muscle closes the mouth and purses the lips, such as when kissing | Orbicularis oris
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| this muscle assists in smiling and blowing | Buccinator
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| this muscle aids in closing the jaw | Temporalis
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| this muscle actually closes the jaw | Masseter
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| this muscle flexes the head | Sternocleidomastoid
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| this muscle extends the head and flexes the head from side to side | Trapezius
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| the muscles that lie superficially between ribs; elevates the ribs during inspiration | External intercostals
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| enlarges the thorax to trigger inspiration | Diaphragm
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| this muscle compresses the abdominal organs with aids in forceful expiration, vomiting, and defecation | External Oblique
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| the aponeuroses of muscles forming the abdominal wall meet in the mid line of the abdomen, where they form a tough band of connective tissue called the | Linea Alba
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| this muscle flexes the lumbar region of the spinal column to cause bending forward of the waist | Rectus abdominis
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| this muscle compresses the contents of the abdomen | Transverse Abdominis
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| this muscle stabilizes the spine and maintains posture, just like the external oblique muscles | Internal Oblique
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| this muscle abducts, flexes, and rotates the arm | Deltoid
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| this muscle flexes and adducts the upper arm, such as when climbing or hugging | Pectoralis Major
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| this muscle drives all forward-reaching and pushing movements | Serratus anterior
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| this muscle raises and lowers the shoulders | Trapezius
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| this muscle adducts the humerus | Latissimus dorsi
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| the four tendons that are connected to the scapula is called | the rotator cuff
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| the muscle that is the prime mover when flexing the forearm is called | Brachialis
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| the muscle that assists the brachialis when flexing the forearm | Biceps Brachii
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| the prime mover when extending the forearm | Triceps Brachii
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| helps the brachialis and the biceps brachii flex the forearm | Brachioradialis
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| this muscle allows the arm to pronate | Pronator muscles
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| this lies deep within the forearm near the elbow | Supinator muscle
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| muscles that flex the wrist is called | Flexors
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| this flexes the thigh and consists of the llicus and psoas major | Lliopsoas
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| the longest muscle in the body is called | the Sartorius
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| these muscles rotate and draw the thigh in toward the body | Adductor muscles
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| the most powerful muscle in the body that is the prim mover for knee extension | Quadriceps Femoris
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| a group of muscles that work to extend the thigh at the hip, flex the knee and rotate the leg is called | Hamstring
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| this muscle abducts and rotates the thigh outward | Gluteus medius
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| the bulkiest muscle in the body. located in the butt | Gluteus Maximus
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| this muscle lies beneath the other two gluteal muscles | Gluteus minimus
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