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SCT1 Anatomy Post-Midterm > Myology of Muscles of The Arm > Flashcards

Myology of Muscles of The Arm Flashcards

1
Q

How many muscles are in the muscles of the arm group?

A

5

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2
Q

Name the 5 muscles of the arm?

A 
CORACOBRACHIALIS
\+
BICEPS BRACHII
\+
BRACHIALIS
\+
TRICEPS BRACHII
\+
ANCONEUS
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3
Q

(O) Superior/proximal attachment:
CORACOID PROCESS

(I) Inferior/distal attachment:
MIDDLE, MEDIAL HUMERUS

Actions:
G - H FLEXION (WEAK)
G - H ADDUCTION

A

CORACOBRACHIALIS

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4
Q

Name the 2 actions coracobrachialis is responsible for?

A

G - H FLEXION (WEAK)
+
G - H ADDUCTION

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5
Q

What is the superior/proximal attachment for coracobrachialis?

A

CORACOID PROCESS

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6
Q

What is the inferior/distal attachment for coracobrachialis?

A

MIDDLE, MEDIAL HUMERUS

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7
Q

Which muscles of the ARM attach to the coracoid process?

A

CORACOBRACHIALIS
+
BICEPS BRACHII

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8
Q

Name the prime mover for elbow flexion?

A

BICEPS BRACHII

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9
Q

(O) Superior/proximal attachment (long head):
SUPRAGLENOID TUBERCLE
(O) Superior/proximal attachment (short head):
CORACOID PROCESS

(I) Inferior/distal attachment:
RADIAL TUBEROSITY, BICIPITAL APONEUROSIS

Actions:
G - H FLEXION
ELBOW FLEXION

A

BICEPS BRACHII

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10
Q

The biceps _________ head travels through the bicipital groove to its proximal attachment.

A

LONG

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11
Q

Biceps long head has a __________ to protect it from the transverse humeral ligament.

A

SHEATH

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12
Q

The transverse humeral ligament holds which muscle in place during contraction/movement?

A

BICEPS BRACHII

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13
Q

Name the fascia which runs from the biceps tendon and merges with the fascia of the anterior forearm?
***part of inferior attachment point for biceps brachii

A

BICIPITAL APONEUROSIS

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14
Q

Name the 2 actions biceps brachii is responsible for?

A

G - H FLEXION
+
ELBOW FLEXION

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15
Q

What is the superior/proximal attachment for biceps brachii long head?

A

SUPRAGLENOID TUBERCLE

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16
Q

What is the superior/proximal attachment for biceps brachii short head?

A

CORACOID PROCESS

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17
Q

What is the inferior/distal attachment for biceps brachii?

A

RADIAL TUBEROSITY, BICIPITAL APONEUROSIS

18
Q

(O) Superior/proximal attachment:
ANTERIOR DISTAL 1/2 OF HUMERUS

(I) Inferior/distal attachment:
ULNAR TUBEROSITY, CORONOID PROCESS

Actions:
ELBOW FLEXION

A

BRACHIALIS

19
Q

Brachialis is __________ to biceps brachii.

A

DEEP

like soleus to gastroc

20
Q

Name the prime mover for elbow flexion in pronation?

A

BRACHIALIS

21
Q

What is the only action brachialis is responsible for?

A

ELBOW FLEXION

22
Q

What is the superior/proximal attachment for brachialis?

A

ANTERIOR DISTAL 1/2 OF HUMERUS

23
Q

What is the inferior/distal attachment for brachialis?

A

ULNAR TUBEROSITY, CORONOID PROCESS

24
Q

(O) Superior/proximal attachment (long head):
INFRAGLENOID TUBERCLE
(O) Superior/proximal attachment (lateral head):
PORTERIOR PROXIMAL HUMERUS (SUPERIOR TO RADIAL GROOVE)
(O) Superior/proximal attachment (medial head):
POSTERIOR DISTAL HUMERUS (INFERIOR TO THE RADIAL GROOVE)

(I) Inferior/distal attachment:
OLECRANON PROCESS

Actions:
G - H EXTENSION (LONG HEAD ONLY)
ELBOW EXTENSION (ALL HEADS)

A

TRICEPS BRACHII

25
Q

The action of G - H extension is performed specifically by triceps brachii _______ head.

A

LONG

26
Q

All heads of triceps brachii perform which action?

A

ELBOW EXTENSION

ALL HEADS

27
Q

What is the superior/proximal attachment for triceps brachii long head?

A

INFRAGLENOID TUBERCLE

28
Q

The superior/proximal attachment for triceps brachii ________ head is posterior proximal humerus.
*** superior to the radial groove

A

LATERAL

29
Q

The superior/proximal attachment for triceps brachii ________ head is posterior distal humerus.
*** inferior to the radial groove

A

MEDIAL

30
Q

The lateral head attachment for triceps brachii is ___________ to the radial groove.

A

SUPERIOR

31
Q

The medial head attachment for triceps brachii is ___________ to the radial groove.

A

INFERIOR

32
Q

Name the inferior/distal attachment for triceps brachii?

*** also for anconeus

A

OLECRANON PROCESS

33
Q

(O) Superior/proximal attachment:
LATERAL EPICONDYLE

(I) Inferior/distal attachment:
OLECRANON PROCESS

Actions:
ELBOW EXTENSION (assists triceps)
A

ANCONEUS

34
Q

The anconeus is a _____________ to the triceps brachii.

A

SYNERGIST

35
Q

What is the action which anconeus synergistically assist all head of triceps brachii with?

A

ELBOW EXTENSION

36
Q

Name the superior/proximal attachment for anconeus?

A

LATERAL EPICONDYLE

37
Q

Name the inferior/distal attachment for anconeus?

A

OLECRANON PROCESS

38
Q

The middle, medial humerus is the inferior/distal attachment for which muscle of the arm?

A

CORACOBRACHIALIS

39
Q

The supraglenoid tubercle is the superior/proximal attachment for the long head of which muscle of the arm?

A

BICEPS BRACHII

40
Q

The posterior ___________ humerus is the superior/proximal attachment of the LATERAL head of triceps brachii, while the posterior ___________ humerus provides the attachment point for the MEDIAL head.

A

PROXIMAL
+
DISTAL

SCT1 Anatomy Post-Midterm (13 decks)

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