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A&P 1 Lab > Muscle Practical > Flashcards

Muscle Practical Flashcards

(65 cards)

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1
Q

Origin, Insertion, and function: External Oblique

A

Origin, inferior 8 ribs.

Insertion, Linea Alba, pubic tubercle, iliac crest.

Compresses abdominal contents.

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2
Q

Origin, Insertion, and function: Internal Oblique

A

Origin, lingual ligament, iliac crest, thoracolumbar.

Insertion, cartilage of last 4 ribs, Linea alba.

Compresses abdomen.

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2
Q

Origin, Insertion, and function: Transversus Abdominis

A

Origin, iliac crest, inguinal ligament, thoracolumbar fascia, ribs 7-12.

Insertion, xiphoid process, Linea alba, crest of pubis.

Compress Abdomen and force exhalation.

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3
Q

Origin, Insertion, and function: Rectus Abdominis

A

Origin, pubic crest and pubic symphysis.

Insertion, ribs 5,6,& 7, xiphoid process.

Flexion and lateral rotation of vertebral column, compress abdomen.

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4
Q

Origin, Insertion, and function: Pectoralis Minor

A

Origin, ribs 3,4, & 5.

Insertion, coracoid process of scapula.

Downward and forward rotation of scapula, forced inhalation.

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5
Q

Origin, Insertion, and function: Pectoralis Major

A

Origin, clavicle, coastal cartilage of 6 ribs, sternum.

Insertion, inter tubercular groove and greater tubercle of humerus.

Flexion, addiction, medial rotation and horizontal Flexion of humerus.

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6
Q

Origin, Insertion, and function: serrated ventralis

A

Called serrated anterior in humans.

Origin, first 9 ribs.

Insertion, medial border of scapula.

Protraction and lateral rotation of scapula, abduction of arm.

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7
Q

Origin, Insertion, and function: Anterior Scalene

A

Called scalenus anterior in humans.

Origin, transverse processes of 3-6 cervical vertebrae.

Insertion, ribs 1 & 2.

Elevation of ribs during inspiration, unilateral action. Flexion of neck, bilateral action.

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8
Q

Origin, Insertion, and function: Middle Scalene

A

Called scalenus medius.

Origin, transverse process of 2-7 cervical vertebrae.

Insertion, ribs 1 & 2.

Elevation of ribs during inspiration, unilateral action, Flexion and rotation of cervical spine. Bilateral action Flexion of neck.

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9
Q

Origin, Insertion, and function: Posterior Scalene

A

Called scalenus posterior in humans.

Origin, transverse process of cervical vertebrae.

Insertion, ribs 1 & 2.

Elevation of ribs during inspiration, unilateral action. Flexion and rotation of cervical spine, bilateral action. Flexion of neck.

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10
Q

Origin, Insertion, and function: sternomastoid and cleidomastoid

A

Called sternocleidomastoid in humans.

Origin, anterior surface of manubrium:clavicle.

Insertion, mastoid process, superior nuchal line.

Bilateral: neck Flexion. Unilateral Flexion and rotation of neck.

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12
Q

Origin, Insertion, and function: Sternohyoid

A

Origin, manubrium and clavicle.

Insertion: Hyoid

Depress hyoid bone

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13
Q

Origin, Insertion, and function: Platysma

A

Origin: Fascia of chest and deltoid

Insertion: Mandible

Depresses mandible: pulls lower lip back and down

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14
Q

Origin, Insertion, and function: Mylohyoid

A

Origin: Mylohyoid line of mandible

Insertion: Body of hyoid bone and median raphe

Elevates the floor of the mouth and tongue and depresses the jaw when the hyoid is fixed.

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15
Q

Origin, Insertion, and function: Digastric

A

Origin: Anterior belly, mandible, temporal bone

Insertion: Intermediate tendon on hyoid bone

Elevate hyoid bone

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16
Q

Origin, Insertion, and function: Biceps Femoris

A

(hamstring)

Origin: ischial tuberosity, linea aspera and distal femur

Insertion: Head of fibula and lateral condyle of tibia

Extends thigh, laterally rotates leg, flexes knee

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17
Q

Origin, Insertion, and function: Semitendinosus

A

Origin: Ishial tuberosity

Insertion: Medial tibial shaft

Extends thigh, flexes knee, medially rotates leg

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18
Q

Origin, Insertion, and function: Semimembranosus

A

Origin: Ishial tuberosity

Insertion: Medial condyle of tibia

Extends thigh, flexes knee, medially rotates leg

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19
Q

Origin, Insertion, and function: Iliopsoas

A

Origin: iliac fossa, lateral sacrum, lumbar vertebrae

Insertion: Lesser trochanter of femur

Flex trunk on thigh, flew thigh, lateral flexion of vertebral column

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20
Q

Origin, Insertion, and function: Pectineus

A

Origin: Pubis

Insertion: Proximal end of femur

Adducts, flexes and medially rotates thigh.

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21
Q

Origin, Insertion, and function: Sartorius

A

Origin: Anterior Superior iliac spine

Insertion: Medial aspect of proximal tibia

Flexes, adducts and lateral rotation of thigh, flexes knee

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22
Q

Origin, Insertion, and function: Adductor longus

A

Origin: Longus: Pubis

Insertion: Longus, linea aspera

Adduct, medially rotate and flew thigh

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23
Q

Origin, Insertion, and function: Adductor magnus and brevis (human)

A

Origin: Magnus: ishical and pubic rami and ishial tuberosity; Brevis: pubis

Insertion: Magnus: gluteal tuberosity and linea aspera; Brevis: linea aspera

Adduct, medially rotate and flew thigh

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24
Q

Origin, Insertion, and function: Gracilis

A

Origin: Inferior ramus and body of pubis

Insertion: Medial surface of tibia

Adducts thigh, flexes and medially rotates leg

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25
Origin, Insertion, and function: Rectus femoris
Origin: Anterior inferior iliac spine and superior margin of acetabulum Insertion: Tibial tuberosity and patella Extends knee and flexes thigh.
26
Origin, Insertion, and function: Vastus lateralis
Origin: Greater trochanter, intertrochanteric line and linea aspera Insertion: Tibial turberosity and patella Extends and stabilizes knee.
27
Origin, Insertion, and function: Vastus medialis
Origin: Linea aspera and intertrochanteric line Insertion: Tibial tuberosity and patella Extends and stabilizes knee.
28
Origin, Insertion, and function: Tensor fasciae latae
Origin: iliac crest and anterior superior iliac spine Insertion: Iliotibial tract Flexes, abducts and medially rotates thigh
29
Iliotibial Tract:
Thickened lateral art of fasciae latae
30
Origin, Insertion, and function: Deltoid
Origin: calvicle, acromion of scapula, spine of scapula Insertion: Deltoid tuberosity of humerus Abduction, flexion, extension and rotation of humerus
31
Origin, Insertion, and function: Clavodeltoid Acromiodeltoid Spinodeltoid
Deltoid in human Origin: calvicle, acromion of scapula, spine of scapula Insertion: Deltoid tuberosity of humerus Abduction, flexion, extension and rotation of humerus
32
Origin, Insertion, and function: Trapezius
Origin: Occipital bone, spinous process of thoracic vertebrae Insertion: Clavicle and scapula Elevate, rotate, depress, and retract scapula. Lateral flexion, extension, and hyperextension of neck.
33
Origin, Insertion, and function: Clavotrapezius Acromiotrapezius Spinotrapezius
Traezius in humans. Origin: Occipital bone, spinous process of thoracic vertebrae Insertion: Clavicle and scapula Elevate, rotate, depress, and retract scapula. Lateral flexion, extension, and hyperextension of neck.
34
Origin, Insertion, and function: Levator scapulae ventralis
Only levator scapulae in humans Origin: transverse process of C1-C4 Insertion:Medial border of scapula Elevates and adducts scapula; lateral flexion of neck
35
Origin, Insertion, and function: Supraspinatus
Origin: Supraspinous fossa of scapula Insertion: Greater tubercle of humerus Abduction of humerus, holds humeral head in glenoid.
36
Origin, Insertion, and function: Infraspinatus
Origin: Infraspinous fossa of scapula Insertion: Greater tubercle of humerus Extension and lateral rotation of humerus. Hold humeral head in glenoid.
37
Origin, Insertion, and function: Latissimus Doris
Origin: Lumbodorsal fossa, inferior angle of the scapula Insertion: Intertubercular groove of humerus Extends and adducts humerus; rotation of humerus medially
38
Origin, Insertion, and function:Rhomboids major/minor
Origin: Spinous process of C7 and T1-T5 Insertion: Medial border of scapula Medial retraction and elevates scapula
39
Origin, Insertion, and function: Rhomboid Capitis
Muscle ONLY in cats! Origin: Spinous process of C7 and T1-T5 Insertion: Medial border of scapula Medial retraction and elevates scapula
40
Origin, Insertion, and function: Splenius
Origin: Spinous processes of C7-T6 Insertion: Mastoid process of occipital bone and transverse process of C2-C4 Extends neck; lateral flexion of neck
41
Origin, Insertion, and function: Teres Major
Origin: Posterior inferior angle of scapula Insertion: Intertubercular groove of humerus Extends and hyperextends humerus; adducts humerus; medial rotation of humerus
42
Origin, Insertion, and function: Subscapularis
Origin: subscapular fossa Insertion: Lesser tubercle of humerus Medial rotation of humerus
43
Origin, Insertion, and function: Gluteus medius
Origin: ilium Insertion: greater trochanter of femur Abducts and medially rotates thigh
44
Origin, Insertion, and function: Gluteus Maximus
Origin: ilium, sacrum and coccyx Insertion: Gluteal tuberosity of femur and iliotibial tract Thigh extension and lateral rotation
45
Origin, Insertion, and function: Caudofemoralis
ONLY in CATS!
46
Origin, Insertion, and function: triceps brachii (long head)
Origin: inferior margin of glenoid cavity Insertion: olecranon process of ulna Forearm extensor
47
Origin, Insertion, and function: triceps brachii (medial head)
Origin: posterior humerus Insertion: olecranon process of ulna Forearm extensor
48
Origin, Insertion, and function: triceps brachii (lateral head)
Origin: posterior humerus Insertion: olecranon process of ulna Forearm extensor
49
Origin, Insertion, and function: Biceps brachii
Origin: short head, coracoid process; long head, supraglenoid tubercle Insertion: radial tuberosity Flexion of elbow; supiation of forearm
50
Origin, Insertion, and function: Pronator Teres
Origin: Medial epicondyle; coronoid process of ulna Insertion: Mid-shaft of radius Pronate arm; elbox flexor
51
Origin, Insertion, and function: Brachioradialis
Origin: Distal end of humerus Insertion: styloid process of radius Forearm flexion
52
Origin, Insertion, and function: Flexor carpi ulnaris
Origin: Medial epicondyle of humerus; olecranon process of ulna Insertion: 5th metacarpal. pisiform and hamate bones Flexor of wrist, adducts hand
53
Origin, Insertion, and function: Palmaris longus
Origini: medial epicondyle of humerus Insertion: Skin and fascia of palm Flexes wrist; tenses skin and fascia of palm
54
Origin, Insertion, and function: Flexor carpi radialis
Origin: medial epicondyle of humerus Insertion: Base of 2nd metacarpal Flexes wrist and abducts hand.
55
Origin, Insertion, and function:Extensor carpi ulnaris
Origin: Lateral epicondyle of humerus; posterior border of ulna Insertion: 5th metacarpal Extends and adducts wrist
56
Origin, Insertion, and function: Extensor carpi radialis
Origin: lateral supracondylar ridhe of the humerus, lateral epicondyle of humerus Insertion: Dorsal surface of the base of the second metacarpal cone Extends and abducts wrist
57
Origin, Insertion, and function: Extensor digitorum communis
Origin: Lateral epicondyle of humerus and deep antebrachial fasciae Insertion: 2nd to 5th digits Abduction of index, ring, and little fingers; extension and abduction of wrist
58
Origin, Insertion, and function: Extensor digitorum lateralis
Origin: Distal portion of humerus Insertion: 2nd - 5th digits Assists with action of extensor digitorum communis
59
Origin, Insertion, and function: Gastrocnemius
Origin: Medial and lateral condyles of femur Insertion: Calcaneus via calcaneal tendon Plantar flexion of foot' flexes knee
60
Origin, Insertion, and function: Soleus
Origin: proximal portion of tibia and fibula Insertion: Calcaneus via calcaneal tendon Plantar flexion
61
Origin, Insertion, and function: Tibialis Anterior
Origin: Lateral condyle; upper 2/3 of tibia Insertion: Inferior surface of 1st cuneiform and metatarsal 1 Dorsiflexion of foot
62
Origin, Insertion, and function: Extensor digitorum Longus
Origin: Lateral condyle of tibia; proximal portion of fibula Insertion: Middle and distal phalanges of toes II-V Toe extension; orsiflexion of foot
63
Origin, Insertion, and function: Peroneus Longus
Origin: Lateral condyle of tibia and top half of fibula Insertion: 1st metatarsal Plantar flexion, eversion of foot.
64
Origin, Insertion, and function: flexor digitorum longus
Origin: Posterior tibia Insertion: Phalanges II-V Flexion of phalanges II-V
65
Origin, Insertion, and function: Plantaris
Origin: Proximal femur Insertion: Calcaneus Fleion of the knee joint; flexion of the foot

A&P 1 Lab (1 decks)

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