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Anatomy Basics > Week 3 > Flashcards

Week 3 Flashcards

1
Q

What are the 2 classifications of muscles?

A

Appendicular and Axial

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2
Q

Where is the origin of a muscle?

A

Proximal/Superior/More Medial

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3
Q

Where is the insertion of a muscle?

A

Distal/Inferior/More Lateral

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4
Q

Where are fibres embedded within bone?

A

The Periosteum

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5
Q

What is a flat broad tendon called?

A

Aponeurosis

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6
Q

What are the 3 components of the Biceps?

A

Brachialis
Coracobrachialis
Bicep Brachi

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7
Q

What are the 2 parts of the Bicep Brachii?

A

Long Head and Short Head

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8
Q

Where are the long head and short head of the bicep brachii in relation to each other?

A

The long head is more lateral to the short head

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9
Q

What are the 3 parts of the triceps brachii?

A

Medial Head
Long Head
Lateral Head

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10
Q

What is the purpose of the Biceps?

A

The allow for Flexion of the elbow and shoulder joint

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11
Q

What 2 joints do the biceps cross?

A

Elbow Joint and Shoulder Joint

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12
Q

What is the purpose of the triceps?

A

Extension of the elbow join and shoulder joint

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13
Q

What 2 joint do the triceps cross?

A

Elbow Joint and Shoulder Joint

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14
Q

How many tendons are there at the proximal end of the bicep brachii?

A

2 tendons each joining into the Scapula

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15
Q

How many tendons are there at the distal end of the bicep brachii?

A

1 tendon joining into the radius and ulna

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16
Q

How many tendons are at the proximal end of the tricep brachii?

A

3 tendons joining into the Scapula

17
Q

How many tendons are at the distal end of the tricep brachii?

A

1 tendon joining into the Ulna

18
Q

What are the 5 classifications of bone?

A

Long bone
Short bone
Flat bone
Irregular bone
Sesamoid bone

19
Q

What is a long bone?

A

A bone that is longer in length than it is wide

20
Q

What is a short bone?

A

Bones that are cuboidal; they are found only in the ankle and wrist

21
Q

What are flat bones?

A

The re bones that are flat and provide protection; e.g those in the skull

22
Q

What are irregular bones?

A

Bones other than long, short or flat

23
Q

What are sesamoid bones?

A

They are in tendons and reduce friction across joints; they change the angle of tendons as they pass to their attachments

24
Q

What are the flexor muscles in the upper extremities?

A

The Anterior Forearm Muscles and Anterior Arm Muscles

25
Q

What are the extensor muscles in the upper extremities?

A

The Posterior Forearm Muscles and the Posterior arm Muscles

26
Q

What kind of join is the elbow joint?

A

Synovial Hinge

27
Q

What joint allows for pronation and supination?

A

Pivot Joint (Radioulnar Joint)

28
Q

What nerve innervates the Anterior portion of the arm?

A

Mucocutaneous Nerve

29
Q

From what nerve does the mucocutaneous nerve originate?

A

Brachial Plexus

30
Q

Where is the brachialis in relation to the bicep brachii?

A

More deep

31
Q

Where is the Sternocleidomastoid muscle located?

A

In the lateral portion of the neck

32
Q

To which two bone do the Sternocleidomastoid muscle attach inferiorly (Origin)?

A

The Manubrium of the Sternum and and Clavicle

33
Q

To which bone does the Sternocleidomastoid attach Superiorly?

A

The Mastoid Process of the Temporal Bone of the Skull

34
Q

What portion of the forearm loses functionality when you get “Wrist Drop”?

A

The posterior portion of the forearm

35
Q

What nerve will be damaged to result in wrist drop?

A

The Radial Nerve

Anatomy Basics (4 decks)

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