Muscles of Arm Flashcards
In anatomy, Arm is also called?
Brachium
Arm is the region of upper limb between the ________ and the _______
Shoulder and elbow
Cubital fossa is positioned _____ to the elbow joint.
A. Lateral
B. Medial
C. Anterior
D. Posterior
Anterior
Lateral and medial intermuscular septa divide the arm into three compartments. True or false?
False. Two compartments
Anterior compartment contains muscles that _____ the elbow joint
flex
Posterior compartment contains muscles that _______ the joint
A. Extend
B. Flex
C. Rotate medially
D. Rotate laterally
extend
Following is NOT the muscle of anterior compartment:
Coracobrachialis
Radialis
Brachialis
Biceps brachii muscle
Radialis
Lateral part of the brachialis muscle is innervated by which nerve?
radial nerve
All muscles of the anterior compartment of the arm are innervated by musculocutaneous nerve. True or false?
True
Biceps brachii has _____ heads
A. Two
B. Three
C. Four
D. Five
Two
Insertion of bicep brachii muscle is?
Radial tuberosity
___________________ protects the brachial
artery.
bicipital aponeurosis
Main and pure flexor of the forearm is?
Brachialis muscle
Posterior compartment
of the arm has how many
muscles? Name them.
Posterior compartment
of the arm has only one
muscle. Triceps brachii
Posterior compartment
of the arm is innervated
by
Ulnar nerve
Radial nerve
Musculocutaneous nerve
radial nerve
Name the heads of triceps brachii?
Long, lateral and medial head
Long head of triceps brachii can also
extend and adduct the arm. True or false?
True
The area of transition between the
arm and the forearm is called?
Cubital Fossa
Following is NOT in the contents of the
cubital fossa
Tendon of the biceps brachii muscle
Radial and ulnar arteries
Median nerve
Coracobrachialis muscle
Coracobrachialis muscle
When taking a blood pressure reading, the
clinician places the stethoscope over the __________ artery
Brachial artery
The roof of the cubital fossa is formed by superficial fascia and skin. True or false?
True
Basilic vein is on the _______ side of the upper limb
Medial
Name the vein that connects diagonally the cephalic vein with the basilic vein?
Median cubital vein
Cubital fossa has a floor made up of brachialis and supinator. True or false?
True
Brachialis muscle is inserted at the tuberosity of?
Ulna
Origin of Coracobrahialis muscle is?
Coracoid process
Coracobrachialis is inserted at the:
Lateral side of ulna
Midshaft of the humerus, on the medial side
Radial tuberosity
Midshaft of the humerus, on the medial side
Function of coracobrachialis is extension of the arm. True or false?
False. Flexion of arm
Long head of biceps brachii originates from ____________
Supraglenoid tubercle of scapula
Bices brachii is inserted at
Lateral side of ulna
Midshaft of the humerus, on the medial side
Radial tuberosity
Radial tuberosity
Bicipital aponeurosis spreads
over the medial (flexor) muscles of
the forearm. True or false?
True
Enlist the functions of biceps brachii muscles?
- Flexion of the forearm
- Supinator of the forearm
when the elbow joint is
flexed. - Helps flexion of the arm
(Long head)
The origin of brachialis muscle is?
Posterior aspect of humerus
Anterior aspect of humerus
Tubercle of scapula
Anterior aspect of humerus
Which muscle is located on the lateral side of the forearm and is responsible for supination and flexion of the forearm?
a) Pronator teres
b) Flexor carpi radialis
c) Brachioradialis
d) Extensor carpi radialis
Brachioradialis
The _______ muscle is located on the lateral side of the forearm and is responsible for supination and flexion of the forearm.
Brachioradialis
The muscles of the rotator cuff include the supraspinatus, infraspinatus, teres minor, and _______ muscles.
Subscapularis
Which muscle is located on the posterior side of the upper arm and is responsible for extending the elbow joint?
a) Biceps brachii
b) Triceps brachii
c) Deltoid
d) Brachioradialis
Triceps brachii
The _______ artery is a major blood vessel that runs through the cubital fossa and can be used for pulse measurements.
Brachial
The _______ tendon is located at the base of the cubital fossa and is the insertion point for the biceps brachii muscle.
Bicipital
The cubital fossa is located on which surface of the elbow?
a) Posterior
b) Lateral
c) Medial
d) Superior
Medial
What are the boundaries of the cubital fossa?
a) Brachialis muscle, triceps brachii muscle, supinator muscle
b) Pronator teres muscle, brachioradialis muscle, linea semilunaris
c) Deltoid muscle, pectoralis major muscle, latissimus dorsi muscle
d) Biceps brachii muscle, coracobrachialis muscle, trapezius muscle
Pronator teres muscle, brachioradialis muscle, linea semilunaris
The cubital fossa is a common site for venipuncture and arterial puncture procedures. True or false?
True
Which nerve runs through the cubital fossa?
a) Radial nerve
b) Ulnar nerve
c) Median nerve
d) Musculocutaneous nerve
Median nerve
The ulnar nerve runs through the cubital fossa. True or false?
False. The ulnar nerve does not run through the cubital fossa. The median nerve runs through the cubital fossa.
Which muscle is attached to the bicipital tendon, located at the base of the cubital fossa?
a) Triceps brachii
b) Brachialis
c) Brachioradialis
d) Biceps brachii
Biceps brachii
