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MANA 1513 > MUSCULAR SYSTEM AND MOTOR NERVOUS SYSTEM > Flashcards

MUSCULAR SYSTEM AND MOTOR NERVOUS SYSTEM Flashcards

1
Q

What are the 3 types of muscles?

A

Skeletal muscles
Cardiac muscles
Smooth involuntary muscles

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2
Q

What are the 4 functions of the skeletal muscles?

A
  1. Movement
  2. Respiratory mechanics
  3. Maintanence of posture and position
  4. Protection of vital organs
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3
Q

Name the 10 shapes of skeletal muscles.

A
  1. Circular (eye)
  2. Digatsric (neck)
  3. Multipennate (deltoid)
  4. Convergent (chest twists )
  5. Quadrate (six-pack)
  6. Thin parallel muscle ( medial thigh muscle)
  7. Unipennate (lateral leg muscle)
  8. Bipennate (anterior thigh muscle)
  9. Flat parallel muscle (parallel to quadrates)
  10. Fusiform (biceps)

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4
Q

What forms the structure of muscle compartments?

A

Deep fascia and inter-muscular septa.

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5
Q

How are muscular compartments named?

A

According to the function of the group on the joint, that is distal to the compartment.

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6
Q

What are the common characteristics of muscles located in a compartment?

A

They share nerve and blood supply.

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7
Q

What is the origin of the coracobrachialis muscle?

A

The apex of the coracoid process.

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8
Q

What is the insertion of the coracobrachialis muscle?

A

The linear roughening of the midshaft of the humerus on the medial side.

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9
Q

What is the function of the coracobrachialis?

A

Flexor of the arm at the glenohumeral joint.

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10
Q

What is the innervation of the coracobrachialis?

A

Musculocutaneous (C5, C6 & C7)

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11
Q

What is the origin of the long head of the biceps brachialis?

A

Supraglenoid tubercle of the scapula.

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12
Q

What is the insertion of the long head of the bicep brachialis?

A

Radial tuberosity.

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13
Q

What is the function of the long head of the biceps brachialis?

A

Flexor of the forearm at the elbow joint.

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14
Q

What is the innervation of the long head of the biceps brachialis?

A

Musculocutaneous (C5 & C6)

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15
Q

What is the origin of the short head of the biceps brachialis?

A

The apex of the coracoid process.

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16
Q

What is the insertion of the short head of the biceps brachialis?

A

Radial tuberosity.

17
Q

What are the 2 functions of the short head of the biceps brachialis?

A

Supinator of the forearm & accessory flexor of the arm at the glenohumeral joint.

MANA 1513 (6 decks)

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