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Anatomy and Physiology > Muscular System (Chapter 10) > Flashcards

Muscular System (Chapter 10) Flashcards

(56 cards)

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1
Q

Frontalis Muscle

A

Raises eyebrows; O: epicranial aponeurosis, I: skin and muscles around eye; Facial nerve (Cranial VII)

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2
Q

Occipitalis Muscle

A

Pulls scalp posteriorly; O: occipital and temporal bones, I: epicranial aponeuroses; Facial nerve

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3
Q

Orbicularis Oculi Muscle

A

Closes eye, “winking”; O: maxillary and frontal bones, I: skin around eye; Facial nerve (Cranial VII)

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4
Q

Orbicularis Oris Muscle

A

Close and protrudes lips, “kissing’; O: muscles near mouth, I: skin around mouth; Facial nerve

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5
Q

Buccinator Muscle

A

Compresses cheeks inward; O: outer surfaces of maxilla and mandible, I: orbicularis oris; Facial nerve

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6
Q

Zygomaticus Muscle

A

Raises corner of mouth, “smiling”; O: zygomatic bone, I: skin and muscles around mouth; Facial nerve

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7
Q

Masseter Muscle

A

Closes jaw; O: zygomatic arch, I: mandible; Trigeminal nerve (Cranial V)

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8
Q

Temporalis Muscle

A

Closes jaw; O: temporal bone, I: mandibular coronoid process; Trigeminal nerve

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9
Q

Sternocleidomastoid Muscle

A

Flexes neck and rotates head; O: sternum and clavicle, I: mastoid process of temporal bone; Accessory nerve (Cranial XI) and branches of cervical spinal nerves (C2/C3)

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10
Q

Trapezius Muscle

A

Extends neck and adducts scapula; O: occipital bone and all cervical and thoracic vertebrae, I: spine of scapula and clavicle; Accessory nerve (Cranial nerve XI, C2/C3)

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11
Q

External Intercostal Muscle

A

Pulls ribs up and out; O: superior rib, I: inferior rib; Intercostal nerves

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12
Q

Internal Intercostal Muscle

A

Pulls ribs down and in; O: inferior rib, I: superior rib; Intercostal nerves

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13
Q

Diaphragm Muscle

A

Inspiration, flattens increasing vertical dimensions of thorax; O: inferior internal surface of rib cage and sternum, I: central tendon of diaphragm; Intercostal nerves

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14
Q

External Oblique Muscle

A

Tenses abdominal wall and lateral rotation; O: lower 8 ribs, I: iliac crest; Intercostal nerves (T7-T12)

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15
Q

Internal Oblique Muscle

A

Tenses abdominal wall and lateral rotation; O: iliac crest, I: lower 3 ribs; Intercostal nerves (T7-T12, L1)

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16
Q

Transversus Abdominis Muscle

A

Tenses abdominal wall; O: lower 6 ribs, I: crest of pubis; Intercostal nerves (T7-T12, L1)

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17
Q

Rectus Abdominis Muscle

A

Flexes vertebral column; O: crest of pubis, pubic symphysis, I: xiphoid process of sternum, 5th - 7th costal cartilages; Intercostal nerves (T6 or T7-T12)

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18
Q

Rhomboideus Major Muscle

A

Raises and adducts scapula; O: spines of upper thoracic vertebrae. I: medial border of scapula; Dorsal scapular nerve (C4/C5)

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19
Q

Infraspinatus Muscle

A

Rotates arm laterally; O: posterior surface of scapula, I: greater tubercle of humerus; Suprascapular nerve

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20
Q

Serratus Anterior Muscle

A

Pulls scapula downward and forward; O: upper 9 ribs, I: vertebral border of scapula; Long thoracic nerve (C5-C7)

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21
Q

Deltoid Muscle

A

Abducts arm; O: acromion process, spine of scapula, clavicle, I: deltoid tuberosity of humerus; Axillary nerve (C5/C6)

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22
Q

Pectoralis Major Muscle

A

Flexes and adducts arm; O: clavicle, sternum, 2nd to 6th costal cartilages, I: intertubular groove of humerus; Lateral/medial pectoral nerves (C5-C8/T1)

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23
Q

Latissimus Dorsi Muscle

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A

Extends or adducts arm; O: iliac crest, I: intertubular groove of humerus; Thoracodorsal nerve (C6-C8)

24
Q

Biceps Brachii Muscle

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A

Flexes forearm and supinates hand; O: scapula, I: radial tuberosity; Musculocutaneous nerve (C5/C6)

25
Triceps Brachii Muscle
Extends forearm; O: scapula, proximal humerus, I: olecranon process of ulna; Radial nerve (C6-C8)
26
Brachialis Muscle
Flexes forearm; O: anterior humerus, I: coronoid process of ulna; Musculocutaneous nerve
27
Extensor Carpi Muscle
Extends and abducts wrist and hand; O: humerus, I: carpals and metacarpals; Median nerve
28
Flexor Carpi Muscle
Flexes and adducts wrist and hand; O: humerus, I: carpals and metacarpals; Radial nerve
29
Extensor Digitorum Muscle
Extends and abducts fingers; O: humerus, radius, and ulna, I: phalanges; Posterior interosseus nerve, branch of radial nerve (C7/C8)
30
Flexor Digitorum Muscle
Flexes and adducts fingers; O: humerus, radius, ulna, I: phalanges; Median nerve
31
Iliopsoas Muscle
Flexes thigh; O: lumbar vertebrae, ilium, I: lesser trochanter of femur; Femoral nerve (L2/L3)
32
Gluteus Maximus Muscle
Extends thigh; O: posterior ilium, sacrum, I: proximal femur; Inferior gluteal nerve (L5, S1/S2)
33
Gluteus Medius Muscle
Abducts thigh; O: ilium, I: greater trochanter of femur; Superior gluteal nerve (L4/L5, S1)
34
Adductor Group (Pectineus, adductor longus, adductor magnus, gracilis)
Adducts thigh; O: pubis and ischium, I: femur and tibia; Obturator nerve (L2-L4)
35
Tensor Fascia Latae Muscle
Flexes, abducts, rotates thigh; O: ilium, I: iliotibial tract; Superior gluteal nerve (L4/L5)
36
Quadriceps Femoris Group (Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius)
Extends lower leg; O: ilium and femur, I: patella tendon that continues as ligament to tibial tuberosity; Femoral nerve (L2-L4)
37
Hamstring Group (Biceps femoris, Semimembranosis, Semitendinosus)
Flexes lower leg and extends hip; O: ischial tuberosity, I: lateral and medial tibia; Sciatic-tibial nerve (L5-S2)
38
Sartorius Muscle
Flexes, abducts, and rotates leg; O: ilium, I: medial tibia; Femoral nerve
39
Gastrocnemius Muscle
Plantar flexion and eversion of foot; O: condyles of femur, I: calcaneus by way of Achilles tendon; Tibial nerve (S1/S2)
40
Tibialis Anterior Muscle
Dorsiflexion and inversion of foot; O: condyles of tibia, I: tarsal and metatarsal bones; Deep fibular nerve (L4/L5)
41
Soleus Muscle
Plantar flexion of foot; O: tibia and fibula, I: calcaneus; Tibial nerve
42
Fibularis Longus Muscle
Plantar flexion and eversion of foot; O: fibula, I: tarsal and metatarsal bones; Superficial fibular nerve (L5-S2)
43
Flexor Digitorum Longus Muscle
Plantar flexion, inversion of foot, and flexion of toes; O: tibia and fibula, I: phalanges; Tibial nerve (L5-S2)
44
Extensor Digitorum Longus Muscle
Dorsiflexion and extension of toes; O: tibia and fibula, I: phalanges; Tibial nerve (L5-S2)
45
Bell's palsy (facial paralysis)
46
Inguinal Hernia
47
Urinary stress incontinence
48
Impingement syndrome
49
Compartment syndrome
50
Calcaneal tendon rupture (Achilles tendon tear)
51
Back injuries
52
Groin pull
53
Hamstring strains/pulls
54
Shin splint syndrome
55
Plantar fasciitis
56
Torticollis

Anatomy and Physiology (29 decks)

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