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Anatomy Terms > Ch. 6 > Flashcards

Ch. 6 Flashcards

0
Q

Orbicularis Oculi​​​​

A

-Has fibers that run in circles around the eyes

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1
Q

Frontalis​​​​​

A

-Covers the frontal bone, runs from the cranial aponeurosis to the skin
of the eyebrows, where it inserts.

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2
Q

Orbicularis Oris​​​​

A

-Circular muscle of the lips

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3
Q

Temporalis​​​​

A

-Fan-shaped muscle overlying the temporal bone

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4
Q

Zygomaticus​​​​

A

-Extends from the corner of the mouth to the cheek bone

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5
Q

Masseter​​​​​

A

-Overrides the angle of the lower jaw

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6
Q

Buccinator​​​​​

A

-Runs horizontally across the cheek and inserts into the orbicularis oris

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7
Q

Sternocleidmastoid​​​

A

-Are two-headed muscles, one found on each side of the neck

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8
Q

Pectoralis major​​​​

A

-Is a large fan-shaped muscle covering the upper part of the chest

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9
Q

Rectus Abdominis

A

-The most superficial muscles of the abdomen

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10
Q

External Oblique

A

-Are paired superficial muscles that make up the lateral walls of the abdomen

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11
Q

Internal Oblique

A

-Paired muscles deep to the external obliques

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12
Q

Biceps Brachii

A

-Most familiar muscle of the ar,; bulges when elbow is flexed

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13
Q

Deltoid

A

-Thick triangular muscle covering the shoulder; used for raising the arm away from body

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14
Q

Iliopsoas

A

-Fused muscle composed of two muscles, the iliacus and psoas major

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15
Q

Quadriceps

A

-Large muscle at the front of the thigh; divided into 4 distinctive portions ; helps extend the leg

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16
Q

Tibialias Anterior

A

-Superficial muscle on the anterior leg

17
Q

Trapezius

A

-Around occipital bone and all cervical and thoracic vertebrae

18
Q

Latissimus Dorsi

A

-Lower spine & iliac crest

19
Q

Deltoid

A

-Triangular shaped muscles that form the rounded shape of your shoulders

20
Q

Triceps Brachii

A

-Only muscle fleshing out the posterior humerus

21
Q

Gluteus Maximus

A

-Superficial muscle of the hip that forms most of the flesh of the buttock

22
Q

Gluteus Medius

A

-Runs from ilium to the femur, beneath the gluteus Maximus for most of its length

23
Q

Hamstrings

A

-Muscles forming posterior thigh

24
Q

Gastronemius

A

-Muscle is two-bellied muscle that forms the curved calf of the posterior leg.

25
Q

Soleus

A

-Arises from tibia and fibula; deep to the gastrocnemius is the fleshy soleus muscle.

26
Q

Abduction​:lactic acid

A
  • To move away from midline of body

- the product of anaerobic metabolism

27
Q

Acetylcholine​:motor unit

A
  • A chemical transmitter substance released by certain nerve endings
  • a motor neuron and all the muscle cells it supplies
28
Q

Actin​:myofibrils

A
  • A contractile protein

- contractile organelles found in cytoplasm

29
Q

Action potential​ :myosin

A
  • An electrical event occurring when a stimulus of sufficient intensity is applied to a neuron
  • one of the principals contractile proteins found in muscle
30
Q

Adduction​:neuromuscular junction

A
  • To move toward the midline of the body

- the region where a motor neuron comes into lose contact with skeletal muscle cell

31
Q

Aerobic:respiration​ neurotransmitter

A
  • Respiration in which oxygen is consumed &’glucose is broken dome entirely
  • chemical released by neurons that may stimulate or inhibit them
32
Q

Anaerobic:glycolysis​ origin

A
  • Not requiring oxygen

- breakdown of glucose to pyruvic acid

33
Q

Antagonists​:oxygen debt

A
  • Muscle that act in opposition to an agonist or prime mover

- the volume of oxygen required to exercise

34
Q

Aponeuroses​:plantar flexion

A

-Fibrous or membranous sheet connecting a muscle and the part it
moves
- sole of foot bending downward

35
Q

Creatine phosphate​:prime mover

A

-Muscles whose contractions are responsible for a particular movement

36
Q

Dorsiflexion​:pronation

A
  • Up and down movement

- the inward rotation of the forearm causing the radius to cross diagonally over the ulna

37
Q

Extension​:supination

A
  • -Movement that increases the angle of a joint

- the outward rotation of the forearm causing palms to face anteriorly

38
Q

Fixators​:synaptic cleft

A
  • Muscles acting to immobilize a joint or a bone

- the fluid filled space at a. Synapse between neurons

39
Q

Flexion​:synergists

A
  • Bending

- muscles cooperating with another muscle or muscle group to produce a desired movement

40
Q

Insertion​:tendons

A
  • The movable attachment of a muscle as opposed to origin

- cord of dense fibrous tissue attaching a muscle to bone

Anatomy Terms (9 decks)

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