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1190 > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Trapezius

A

Origin: External occipital protuberance, Spinous Process of C1-T12
Insertion: Spine of Scapula, Acromion/Lateral Clavicle
Action:
Upper - Elevation, Lateral Rotation, Head Extension
Middle - Retracts Scapula
Lower - Depression, Lateral Rotation, Head Extension

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2
Q

Rhomboids

A

Origin: Spinous Process of C7 and T1-T5
Insertion: Medial Border of Scapula, Below Spine of Scapula
Action: Retraction, Medial Rotation of Scapula

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3
Q

Levator Scapulae

A

Origin: Transverse Process of C1-C4
Insertion: Superior Angle, Medial Border of Scapula
Action: Elevation, Medial Rotation, Ipsilateral Neck Side Flexion

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4
Q

Pectoralis Minor

A

Origin: Anterior Rib Surfaces 3-5
Insertion: Coracoid Process (PBC)
Action: Depression, Protraction, Medial Rotation, Raises Ribs 3-5

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5
Q

Serratus Anterior

A

Origin: Outer Rib Surfaces 1-9
Insertion: Anterior Surface of Medial Border
Action: Protraction, Lateral Rotation

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6
Q

Subclavius

A

Origin: Superior Surface of 1st Rib
Insertion: Lateral/Inferior Surface of Clavicle
Action: Depression/Stabilization of Clavicle

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7
Q

Pectoralis Major

A

Origin:
1. Sternal Head; Sternum, Aponeurosis of EX Obliques, and Costal Cartilage of Ribs 2-6
2. Clavicular Head; Medial Clavicle
Insertion: Lateral Intertubercular Groove
Action:
Both Heads; Adduction, Internal Rotation, Horizonal Adduction; Flexes Arm (Extended)
Sternal Head; Extends Arm (Flexed)

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8
Q

Latissimus Dorsi

A

Origin: Spinous Process of T7-T12, Posterior Illiac Crest, Thoracolumbar Fascia
Insertion: Floor of Intertubercular Groove
Action: Extension, Adduction, Internal Rotation of Humerus

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9
Q

Teres Major

A

Origin: Inferior Angle of Scapula
Insertion: Medial Intertubercular Groove
Action: Extension, Adduction, Internal Rotation of Humerus

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10
Q

Deltoid

A

Origin: Spine of Scapula, Acromion and Lateral Clavicle
Insertion: Deltoid Tuberosity
Action: Abduction, Flexion, Extension, Internal/External Rotation of Humerus

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11
Q

Subscapularis

A

Origin: Subscapular Fossa
Insertion: Lesser Tubercle of Humerus
Action: Internal Rotation

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12
Q

Supraspinatus

A

Origin: Supraspinous Fossa
Insertion: Superior Greater Tubercle of Humerus
Action: Abduction of Humerus

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13
Q

Infraspinatus

A

Origin: Infraspinous Fossa
Insertion: Posterior Greater Tubercle of Humerus
Action: External Rotation

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14
Q

Teres Minor

A

Origin: Upper Lateral Border
Insertion: Inferior Greater Tubercle of Humerus
Action: External Rotation

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15
Q

Coracobrachialis

A

Origin: Coracoid Process (PBC)
Insertion: Middle Medial Surface of Humerus
Action: Flexion, Adduction of Humerus

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16
Q

Biceps Brachii

A

Origin:
1. Long Head; Supraglenoid Tubercle
2. Short Head; Coracoid Process
Insertion: Radial Tuberosity, Tendon Sheet
Action: Flexion of Forearm at Elbow, Radioulnar Supination, Flexion of Humerus at Shoulder

17
Q

Brachialis

A

Origin: Distal Anterior Surface of Humerus
Insertion: Coronoid Process of Ulna, Ulnar Tuberosity
Action: Flexion of Forearm at Elbow

18
Q

Brachioradialis

A

Origin: Lateral Supracondylar Ridge
Insertion: Styloid Process of Radius
Action: Flexion of Forearm at Elbow (Neutral)

19
Q

Pronator Teres

A

Origin: Medial Epicondyle, Coronoid Process of Ulna
Insertion: Middle of Lateral Radius
Action: Pronates Forearm at Radioulnar Joint

20
Q

Pronator Quadratus

A

Origin: Distal 1/4 Ulna
Insertion: Distal 1/4 Radius
Action: Pronation of Forearm

21
Q

Triceps Brachii

A

Origin:
1. Long Head; Infragenoid Tubercle
2. Lateral Head Lateral, Posterior Humerus (Superior of Radial Groove)
3. Medial Head Rest of Posterior Humerus (Inferior)
Insertion: Olecranon Process
Action:
1. All Heads; Extension of Forearm at Elbow
2. Long Head; Extension of Humerus at Shoulder

22
Q

Anconeus

A

Origin: Lateral Epicondyle of Humerus
Insertion: Olecranon Process + Shaft
Action: Extension of Forearm at Elbow

23
Q

Supinator

A

Origin: Lateral Epicondyle of Humerus, Supinator Crest
Insertion: Lateral and Proximal Radius
Action: Supinates Forearm at Radioulnar Joint

24
Q

Flexor Carpi Radialis

A

Origin: Medial Epicondyle
Insertion: Bases of 2nd and 3rd Metacarpal
Action: Flexion, Radial Deviation of Hand

25
Q

Palmaris Longus

A

Origin: Medial Epicondyle
Insertion: Palmer Aponeurosis, Flexor Retinaculum
Action: Flexion of Hand at Wrist

26
Q

Flexor Carpi Ulnaris

A

Origin: Medial Epicondyle, Posterior Surface of Ulna
Insertion: Pisiform, Hook of Hamate, Base of 5th Metacarpel
Action: Flexion, Ulnar Deviation of Hand

27
Q

Flexor Digitorum Superficialis

A

Origin: Medial Epicondyle, Anterior Radius, Coronoid Process of Ulna
Insertion: 2nd to 5th Middle Phalanges (Palm)
Action: Flexion of 2nd to 5th MCP and Proximal Interphalangeal Joints

28
Q

Flexor Digitorum Profundus

A

Origin: Anterior Surface of Ulna
Insertion: Bases of 2nd to 5th Distal Phalanges
Action: Flexion of Fingers, Flexion of Hand

29
Q

Flexor Pollicis Longus

A

Origin: Middle Radius (Anterior)
Insertion: Base of Distal Thumb Phalanx
Action: Flexion of Thumb at MCP and IP, Flexion of Hand

30
Q

Thenar Eminence (Lateral)

A
  1. Abductor Pollicis Brevis: Abducts Thumb at CMC
  2. Opponens Pollicis: Prime Mover of Opposition
  3. Flexor Pollicis Brevis: Flexes Thumb at MCP, CMC
31
Q

Hypothenar Eminence (Medial)

A
  1. Abductor Digiti Minimi: Abducts 5th Digit at MCP
  2. Opponens Digiti Minimi: Assists Opposition
  3. Flexor Digiti Minimi Brevis: Flexes 5th Digit at MCP
32
Q

Adductor Pollicis

A

Adducts Thumb at CMC, Assists Opposition

33
Q

Palmar Interossei (PAD)

A

Adducts Fingers

34
Q

Dorsal Interossei (DAB)

A

Abducts Fingers

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