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Anatomy > Appendicular Muscles > Flashcards

Appendicular Muscles Flashcards

1
Q

Pectoralis minor

A

Origin: sternal ends of upper ribs
Insertion: coracoid process of scapula
Action: protracts and depresses the scapula

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2
Q

Serratus anterior

A

Origin: anterior and superior margins of upper ribs
Insertion: medial border of scapula and anterior surface of scapula
Action: agonist in scapular protraction, superiorly rotates scapula

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3
Q

Rhomboid major

A

Origin: spinous process of T2-T5
Insertion: medial border of scapula
Action: retracts and elevates scapula

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4
Q

Rhomboid minor

A

Origin: spinous process of C7-T1
Insertion: medial border of scapula
Action: same as rhomboid major

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5
Q

Trapezius

A

Origin: occipital bone, ligamentum nuchae, and spinous process of C7-T12
Insertion: clavical, acromon, scapula spine
Action: elevate and superiorly rotate scapula

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6
Q

Latissimus dorsi

A

Origin: spinous process of T7-T12
Insertion: intertubercular groove of proximal humerus
Action: prime mover of arm extension

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7
Q

Pectoralis major

A

Origin: medial clavcle
Insertion: lateral part of intertubercular groove of proximal humerus
Action: prime mover of arm flexion

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8
Q

Deltoid

A

Origin: acromion end of clavicle, the acromion, spine of scapula
Insertion: deltoid tuberosity
Action: medially rotate arm, arm abduction

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9
Q

Corocobrachialis

A

Origin: coracoid process of scapula
Insertion: middle medial shaft of humerus
Action: adducts and flexes arm

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10
Q

Teres major

A

Origin: inferior lateral border and inferior angle of scapula
Insertion: lesser tubercle and intertubercular groove on humerus
Action: same as latissimus dorsi

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11
Q

Subscapularis

A

Origin: subscapular fossa of scapula
Insertion: lesser tubercle of humerus
Action: medially rotate arm

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12
Q

Supraspinatus

A

Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts the arm

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13
Q

Infraspinatus

A

Origin: infraspinatus fossa of scapula
Insertion: greater tubercle of humerus
Action: adducts and laterally rotates arm

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14
Q

Teres minor

A

Origin: upper lateral border of scapula
Insertion: greater tubercle of humerus
Action: same as infraspinatus

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15
Q

Biceps brachii

A

Origin: supraglenoid tubercle of scapula
Insertion: radial tuberosity and bicipital aponeuros
Actions: flexes elbow joint

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16
Q

Triceps brachii

A

Origin: infraglenoid tubercal of scapula, posterior humerus above radial groove and below radial groove
Insertion: all three parts on olecranon of ulna
Action: primary extensor of elbow joint

17
Q

Psoas major

A

Origin: transverse process and bodies of lower vertebrae
Insertion: lesser trochanter of femur
Action: flexes thigh

18
Q

Iliacus

A

Origin: iliac fossa
Insertion: lesser trochanter of femur
Action: flexes thigh

19
Q

Sartorius

A

Origin: anterior superior iliac spine
Insertion: tibial tuberosity medial side
Action: flexes thigh and rotates thigh laterally

20
Q

Gracilis

A

Origin: inferior ramus and body of pubis
Insertion: upper medial surface of tibia
Action: adducts and flexes thigh

21
Q

Rectus femoris

A

Origin: anterior inferior iliac spine
Insertion: quadriceps tendon to patella
Action: extends leg flexes thigh

22
Q

Vastus lateralis

A

Origin: greater trochanter and linea aspera of femur
Insertion: quad tendon
Action: extends leg

23
Q

Vastus medialis

A

Origin: intertrochanteric line
Insertion: quad tendon
Action: extends leg

24
Q

Vastus intermedius

A

Origin: anterolateral surface of femur
Insertion: quad tendon
Action: extends the leg

25
Q

Biceps femoris

A

Origin: long head of ischial tuberosity
Insertion: head of fibula
Action: extends thigh

26
Q

Semimembranosus

A

Origin: ischial tuberosity
Insertion: posterior surface of medial condyle of tibia
Action: extends thigh and flexes leg

27
Q

Semitendinosus

A

Origin: ischial tuberosity
Insertion: proximal medial surface of tibia
Action: extends thigh and flexes leg

28
Q

Tibialis anterior

A

Origin: lateral condyle and proximal shaft of tibia
Insertion: first metatarsal
Action: dorsiflexes foot and inverts foot

29
Q

Peroneus longus

A

Origin: head and superior shaft of fibula
Insertion: base of first metatarsal
Action: everts foot and plantar flexor

30
Q

Gastrocnemius

A

Origin: superior posterior femur
Insertion: calcaneus via the calcaneal tendon
Action: flexes leg and plantar flexes foot

31
Q

Soleus

A

Origin: head and proximal shaft of fibula
Insertion: calcaneus via the calcaneal tendon
Action: plantar flexes the foot

Anatomy (18 decks)

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