Myology of Muscles of The Arm

Question 1

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

Answer 1

5

Question 2

Name the 5 muscles of the arm?

Answer 2

CORACOBRACHIALIS
\+
BICEPS BRACHII
\+
BRACHIALIS
\+
TRICEPS BRACHII
\+
ANCONEUS

Question 3

(O) Superior/proximal attachment:
CORACOID PROCESS

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

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

Answer 3

CORACOBRACHIALIS

Question 4

Name the 2 actions coracobrachialis is responsible for?

Answer 4

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

Question 5

What is the superior/proximal attachment for coracobrachialis?

Answer 5

CORACOID PROCESS

Question 6

What is the inferior/distal attachment for coracobrachialis?

Answer 6

MIDDLE, MEDIAL HUMERUS

Question 7

Which muscles of the ARM attach to the coracoid process?

Answer 7

CORACOBRACHIALIS
+
BICEPS BRACHII

Question 8

Name the prime mover for elbow flexion?

Answer 8

BICEPS BRACHII

Question 9

(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

Answer 9

BICEPS BRACHII

Question 10

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

Answer 10

LONG

Question 11

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

Answer 11

SHEATH

Question 12

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

Answer 12

BICEPS BRACHII

Question 13

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

Answer 13

BICIPITAL APONEUROSIS

Question 14

Name the 2 actions biceps brachii is responsible for?

Answer 14

G - H FLEXION
+
ELBOW FLEXION

Question 15

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

Answer 15

SUPRAGLENOID TUBERCLE

Question 16

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

Answer 16

CORACOID PROCESS

Question 17

What is the inferior/distal attachment for biceps brachii?

Answer 17

RADIAL TUBEROSITY, BICIPITAL APONEUROSIS

Question 18

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

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

Actions:
ELBOW FLEXION

Answer 18

BRACHIALIS

Question 19

Brachialis is __________ to biceps brachii.

Answer 19

DEEP

like soleus to gastroc

Question 20

Name the prime mover for elbow flexion in pronation?

Answer 20

BRACHIALIS

Question 21

What is the only action brachialis is responsible for?

Answer 21

ELBOW FLEXION

Question 22

What is the superior/proximal attachment for brachialis?

Answer 22

ANTERIOR DISTAL 1/2 OF HUMERUS

Question 23

What is the inferior/distal attachment for brachialis?

Answer 23

ULNAR TUBEROSITY, CORONOID PROCESS

Question 24

(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)

Answer 24

TRICEPS BRACHII

Question 25

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

Answer 25

LONG

Question 26

All heads of triceps brachii perform which action?

Answer 26

ELBOW EXTENSION | ALL HEADS

Question 27

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

Answer 27

INFRAGLENOID TUBERCLE

Question 28

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

Answer 28

LATERAL

Question 29

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

Answer 29

MEDIAL

Question 30

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

Answer 30

SUPERIOR

Question 31

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

Answer 31

INFERIOR

Question 32

Name the inferior/distal attachment for triceps brachii? | *** also for anconeus

Answer 32

OLECRANON PROCESS

Question 33

(O) Superior/proximal attachment: LATERAL EPICONDYLE (I) Inferior/distal attachment: OLECRANON PROCESS ``` Actions: ELBOW EXTENSION (assists triceps) ```

Answer 33

ANCONEUS

Question 34

The anconeus is a _____________ to the triceps brachii.

Answer 34

SYNERGIST

Question 35

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

Answer 35

ELBOW EXTENSION

Question 36

Name the superior/proximal attachment for anconeus?

Answer 36

LATERAL EPICONDYLE

Question 37

Name the inferior/distal attachment for anconeus?

Answer 37

OLECRANON PROCESS

Question 38

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

Answer 38

CORACOBRACHIALIS

Question 39

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

Answer 39

BICEPS BRACHII

Question 40

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.

Answer 40

PROXIMAL + DISTAL