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Anatomy > Muscle > Flashcards

Muscle Flashcards

1
Q

Deltoid
Origin, insertion, action

A

Origin : clavicle, acromion process, and spine of scapula

Insertion: deltoid tuberosity

Actions: abduct arm

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2
Q

Supraspinatus
Origin, insertion, action
(super-spin-ate-us)

A

soo·pruh·spai·nay·tuhs

Origin: supraspinous (super-spine-us) fossa

Insertion: superior part of greater tubercle

Action: abduct arm

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3
Q

Infraspinatus
Origin, insertion, actions

A

Origin: infraspinous fossa

Insertion: middle part of greater tubercle

Actions: latterly rotate arm

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4
Q

Subscapularis
Origin, insertion, actions

A

Sub-scap-u-lar-us

Origin: subscapular fossa

Insertion : lesser tubercle

Action : medially rotate arm

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5
Q

Teres minor
Origin, insertion, actions

A

Origin: lateral border of scapula

Insertion: inferior part of greater tubercle

Actions: laterally rotate arm

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6
Q

Teres major
Origin, insertion, actions

A

Origin: inferior angle of scapula

Insertion: distal to lesser tubercle

Actions: extend adduct, medially rotate arm

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7
Q

Triceps brachii
Origin, insertion, actions

A

Origin:
Long head – infraglenoid tubercle
Lateral head – lateral and posterior diaphysis of humerus
Medial head – posterior diaphysis of humorous

Insertion: olecranon process

Actions: extend forearm

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8
Q

Coracobrachialis
Origin, insertion, actions

A

Origin: Coracoid process

Insertion: medial diaphysis of humerus

Actions: flex, adduct arm

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9
Q

Biceps brachii
Origin, insertion, actions

A

Origin :
Long head – supraglenoid tubercle

Short head – Coracoid process

Insertion: radial tuberosity

Actions: flex forearm, supinate radius

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10
Q

Brachialis
Origin, insertion, actions

A

Origin: anterior diaphysis of humerus

Insertion: ulnar tuberosity and coronoid process of ulna

Actions: flex forearm

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11
Q

Rectus femoris
Origin, insertion, actions

A

Origin: anterior inferior iliac spine

Insertion: tibial tuberosity

Action: flex thigh, extended leg

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12
Q

Vastus lateralis
Origin, insertion, actions

A

Origin: greater trochanter and linea aspera

Insertion: tibial tuberosity

Actions: extend leg

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13
Q

Vastus medialis
Origin, insertion, actions

A

Origin: linea aspera

Insertion tibial tuberosity

Action: extended leg

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14
Q

Vastus intermedius
Origin, insertion, actions

A

Origin: anterior and lateral diaphysis of femur

Insertion: tibial tuberosity

Action: extend leg

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15
Q

Adductor longus
Origin, insertion, actions

A

Origin: anterior body of pubis

Insertion: linea aspera

Actions: adduct thigh

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16
Q

Adductor brevis
Origin, insertion, actions

A

Origin: inferior pubic ramus

Insertion: linea aspera

Actions: adduct thigh

17
Q

Adductor magnus
Origin, insertion, actions

A

Origin: inferior pubic ramus, ischial Remus, and ischial tuberosity

Insertion: linea aspera

Actions: adduct, flex thigh

18
Q

Biceps femoris
Origin, insertion, actions

A

Origin:
Long head -ischial tuberosity
Short head – linea aspera

Insertion: lateral condyle of tibia and head of fibula

Actions: extend thigh, flex leg

19
Q

Semitendinosus
Origin, insertion, actions

A

Origin : ischial tuberosity (is-ski-al)

Insertion: proximal medial diaphysis of tibia

Actions: extended thigh flex leg

20
Q

Semimembranosus
Origin, insertion, actions

A

Origin: ischial tuberosity

Insertion: medial condyle of tibia

Actions: extend leg, flex thigh

21
Q

Gastrocnemius
Origin, insertion, actions

A

Origin:
Medial head- posterior side of medial condyle of femur
Lateral head – posterior side of lateral condyle of femur

Insertion: calcaneus

Actions: flex leg, plantar flex foot

22
Q

Soleus
Origin, insertion, actions

A

Origin: posterior fibula, soleal line

Insertion: calcaneus

Action: plantar flex foot

23
Q

Tibialis anterior
Origin, insertion, actions

A

Origin: lateral condyle and diaphysis of tibia

Insertion: first metatarsal and first cuneiform

Actions: dorsiflex, invert foot

Anatomy (11 decks)

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