Muscles Flashcards

1
Q

Frontalis

A

Origin: Frontal Aponeurosis
Insertion: Skin of Eyebrow
Action: Raises eyebrow

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2
Q

Orbicularis oculi

A

Origin: Frontal bone and Maxilla
Insertion: Skin around eye
Action: Closes eye/squints

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3
Q

Orbicularis oris

A

Origin: Muscles near mouth
Insertion: Skin at corner of mouth
Action: Closes/puckers mouth

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4
Q

Masseter

A

Origin: Zygomatic arch
Insertion:Mandible
Action: Elevates Mandible

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5
Q

Temporalis

A

Origin: Temporal Bone
Insertion: Mandible
Action: Elevates Mandible

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6
Q

Sternocleidomastoid

A

Origin: Sternum and clavicle
Insertion: Mastoid processof temporal bone
Action: (both contracting) head to chest. (one contracts) head rotates

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7
Q

Zygomaticus major

A

Origin: Anterior zygomatic arch
Insertion: muscles around mouth
Action: Moves corners of mouth superiorly and posteriorly

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8
Q

Zygomaticus minor

A

Origin: Zygomatic bone
Insertion: Skin of the upper lip
Action: Moves corners of mouth superiorly and posteriorly

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9
Q

Splenius capitis

A

Origin: Spinous process, C7-T3
Insertion: Mastoid process
Action: Extend, rotate, laterally flex head

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10
Q

Rectus abdominis

A

Origin: Pubis
Insertion: Xiphoid process
Action:Compresses abdomen, flexes vertebral column

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11
Q

External oblique

A

Origin: Lower 8 ribs
Insertion:Iliac Crest
Action: (Both contract) compresses abdomen. (one contracts) vertebral column flexed to side.

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12
Q

Internal oblique

A

Origin: Iliac Crest
Insertion: Costal cartilages of inferior 3-4 ribs
Action: (Both contract) compresses abdomen. (one contracts) vertebral column flexed to side.

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13
Q

Transverse abdominus

A

Origin: Iliac crest,
Insertion: Xiphoid process, line alba, pubis
Action: Compresses abdomen

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14
Q

Trapezius

A

Origin: Occipital bone, vertebral spinous processes
Insertion: clavicle, scapula
Action: Elevates clavicle, adducts scapula, and extends head

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15
Q

Rhomboideus major

deep muscle

A

Origin: Vertebral spinous processes
Insertion: Scapula
Action: Adducts scapula and rotates it downwards

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16
Q

Serratus anterior

A

Origin: Ribs
Insertion: Scapula
Action: Rotates scapula upward and laterally rotates it downwards

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17
Q

Pectoralis minor

deep muscle

A

Origin: Ribs 3-5
Insertion: Corocoid of scapula
Action: Depresses and moves scapula anteriorly

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18
Q

Latissimus dorsi

A

Origin: Ribs, inferior 6 vertebral spines
Insertion: Humerus
Action: Extends and adducts arm

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19
Q

Infraspinatus

A

Origin: Scapula
Insertion: Humerus
Action: Rotates arm laterally

20
Q

Subscapularis

A

Origin: Scapula
Insertion: Humerus
Action: Rotates humerus medially

21
Q

Supraspinatus

A

Origin: Scapula
Insertion: Humerus
Action: Abducts arm

22
Q

Teres minor

A

Origin: Lateral border of scapula
Insertion: Humerus
Action: Rotates arm laterally

23
Q

Gluteus maximus

A

Origin: Iliac Crest
Insertion: Femur
Action: Extends and rotates femur laterally

24
Q

Tensor fascia lata

A

Origin: Iliac Crest
Insertion: Tibia by way of fascia lat a
Action: Flexes and adducts femur

25
Q

Adductor magnus

A

Origin: Pubis
Insertion: Linea aspera of femur
Action: Flexes and adducts femur

26
Q

Gracilis

A

Origin: Pubis
Insertion: Tibia
Action: Flexes leg

27
Q

Sartorius

A

Origin: Ilium
Insertion: Tibia
Action: Flexes leg

28
Q

Quadriceps

1 - Rectus femoris

A

Origin: Ilium
Insertion: Patella
Action: Extends leg

29
Q

Quadriceps

2 - Vastus medialis

A

Origin: Linea aspera of femur
Insertion: Tibia by way of patellar ligament
Action: Extends leg

30
Q

Quadriceps

3 - Vastus lateralis

A

Origin: Femur
Insertion: Tibia by way of patellar ligament
Action: Extends leg

31
Q

Quadriceps

4 - Vastus intermedius (Deep)

A

Origin: Femur
Insertion: Tibia by way of patellar ligament
Action: Extends leg

32
Q

Hamstrings

1 - Biceps femoris

A

Origin: Ischium
Insertion: Tibia
Action: Flexes leg

33
Q

Hamstrings

2 - Semitendinosus

A

Origin: Ischium
Insertion: Tibia
Action: Flexes leg

34
Q

Hamstrings

3 - Semimembranosus

A

Origin: Ischium
Insertion: Tibia
Action: Flexes leg

35
Q

Gastrocnemius

A

Origin: Femur
Insertion: Calcaneus by way of Achilles tendon
Action: Plantaar Flexion

36
Q

Soleus

A

Origin: Fibula
Insertion: Calcaneus by way of Achilles tendon
Action: Plantar Flexion

37
Q

Tibialis anterior

A

Origin: Tibia
Insertion: First Metatarsal
Action: Dorsiflexion of foot

38
Q

Pectoralis major

A

Origin: Sternum
Insertion: Humerus
Action: Flexes and adducts arm

39
Q

Teres major

A

Origin: Scapula
Insertion: Humerus
Action: Extends arm

40
Q

Latissimus dorsi

A

Origin: Ribs
Insertion: Humerus
Action: Extends and adducts arm

41
Q

Deltoid

A

Origin: Clavicle
Insertion: Humerus
Action: Abducts, flexes, and extends arm

42
Q

Biceps brachii

A

Origin: Scapula
Insertion: Radial tuberosity
Action: Flexes forearm

43
Q

Brachialis

A

Origin: Humerus
Insertion:Ulna
Action: Flexes forearm

44
Q

Brachioradialis

A

Origin: Humerus
Insertion: Radius
Action: Flexes forearm

45
Q

Triceps brachii

A

Origin: Humerus
Insertion: Olecranon of ulna
Action: Extends forearm