Lecture 8
Which of these muscles powers breathing?
Diaphragm
Internal intercostal
External intercostal
Increase in the thoracic cavity
Inspiration
Expiration
Contraction of the external intercostal
Inspiration
Expiration
Ribs are elevated (pulled upwards)
Inspiration
Expiration
Diaphragm is contracted and is moved downwards.
Inspiration
Expiration
Thoracic cavity decreases in size
Inspiration
Expiration
Diaphragm relaxes
Inspiration
Expiration
External intercostal relax and ribs are depressed
Inspiration
Expiration
Which of these acts like a forced expiration?
Diaphragm
Internal intercostal
External intercostal
The superior border of the rib below is the origin of....
Internal Intercostal
External Intercostal
Diaphragm
The inferior border of the rib above is the insertion of...
Diaphragm
Internal intercostal
External intercostal
Which of these is the action done by the internal intercostal?
Depression of ribs
Elevation of ribs
Increase or decrease in thoracic cavity
The inferior border of the rib above is the origin of the...
Diaphragm
Internal intercostal
External intercostal
The superior border of the rib below is the insertion of the....
Diaphragm
Internal intercostal
External intercostal
Which of these is the action done by the external intercostal?
Depression of ribs
Elevation of ribs
Increase or decrease in thoracic cavity
Which of these is the origin of the diaphragm?
Xiphoid Process
Central Tendon
Rib above
Rib below
Which of these is the insertion of the diaphragm?
Xiphoid Process
Central Tendon
Rib above
Rib below
Which of these is the action done by the diaphragm?
Depression of ribs
Elevation of ribs
Increase or decrease in thoracic cavity
During the diaphragm contraction
The thoracic cavity moves down
The Thoracic cavity moves up.
Origin of the muscles that move the pectoral girdle:
Thoracic cavity
Pectoral Girlde
First Rib
5th Rib
Insertion of the muscles that move the pectoral girdle
Thoracic cavity
Pectoral Girlde
First Rib
5th Rib
Which of these is not an anterior thoracic muscle?
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
The origin of the subclavius is...
First Rib
2nd - 5th ribs
The superior 8 ribs
Occipital bone
The origin of the pectoral minor is...
First Rib
2nd - 5th ribs
The superior 8 ribs
Occipital bone
The origin of the Serratus Anterior is...
First Rib
2nd - 5th ribs
The superior 8 ribs
Occipital bone
The origin of the trapezius is...
First Rib
2nd - 5th ribs
The superior 8 ribs
Occipital bone
The insertion of the subclavius is....
Clavicle
Coracoid process of scapula
Vertebral/Medial borders and inferior angle of scapula
Anterior to the clavicle
The insertion of the pectoralis minor is....
Clavicle
Coracoid process of scapula
Vertebral/Medial borders and inferior angle of scapula
Anterior to the clavicle
The insertion of the serratus anterior is....
Clavicle
Coracoid process of scapula
Vertebral/Medial borders and inferior angle of scapula
Anterior to the clavicle
The insertion of the trapezius is....
Clavicle
Coracoid process of scapula
Vertebral/Medial borders and inferior angle of scapula
Anterior to the clavicle
This depresses and moves the clavicle anteriorly.
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
This helps stabilize the pectoral girdle.
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
This abducts the scapula and rotates it downwards.
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
This abducts the scapula and rotates it upwards
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
This causes the horizontal movement of the arm.
Subclavius
Pectoralis Minor
Serratus Anterior
Trapezius
Which fibers of trazpezius adduct the scapula?
Superior fibers
Middle fibers
Inferior Fibers
Which fibers of trazpezius depress the scapula upwards?
Superior fibers
Middle fibers
Inferior Fibers
This elevates the scapula and rotates it downwards.
Superior fibers
Middle fibers
Rhomboid major and minor
Levator Scapulae
This elevates and adducts the scapula.
Superior fibers
Middle fibers
Rhomboid major and minor
Levator Scapulae
This rotates the scapula downwards
Superior fibers
Middle fibers
Rhomboid major and minor
Levator Scapulae
This stabilizes the scapula
Superior fibers
Middle fibers
Rhomboid major and minor
Levator Scapulae
Which of these adduct the scapula?
Posterior muscles
Anterior muscles
Which of abducts the scapula?
Posterior muscles
Anterior muscles
The _____________ causes downward rotation
Levator scapula
Traapezius
Serratus Anerior
The _____________ causes upward rotation.
Serratus Anterior
Levator Scapula
Pectoralis Minor
Rhomboid
What is the origin of the muscles that move the humerus?
Shoulder
Humerus
Clavicle
Scapula
What is the insertion of the muscles that move the humerus?
Shoulder
Humerus
Clavicle
Scapula
What is one of the origins of the pectoralis major?
Shoulder
Humerus
Clavicle
Scapula
What is the insertion of the pectoralis major?
Greater tubercle of humerus
Lesser Tubercle of humers
Clavicle
Scapula
What is the action of the pectoralis major?
Adduct the arm medially.
Abduct the arm laterallyq
Join the scapula to the humerus
What is the insertion of the latissimus dorsi?
Intertubercular sulcus of humerus
Greater tubercle of the humerus
Clavicle
Scapula
What is the action of latissimus dorsi?
Adduct the arm medially
Abduct the arm laterally
Which of these is a rotator cuff muscle?
Deltoid
Teres Major
Coracobrachialis
Teres Minor
Which of these is not a rotator cuff muscle?
Supraspinaus
Infraspinatus
Subscapularis
Coracobrachilis
Muscles that join the scapula to the humerus
Axial muscles
Scapular muscles
Rotator Cuff Muscles
Origin of deltoid?
Lateral Third of clavicle
Supraspinous fossa of scapula
Infraspinatus fossa of scapula
Subscapular fossa of scapula
Origin of Supraspinatus?
Lateral Third of clavicle
Supraspinous fossa of scapula
Infraspinatus fossa of scapula
Subscapular fossa of scapula
Origin of Infraspinatus?
Lateral Third of clavicle
Supraspinous fossa of scapula
Infraspinatus fossa of scapula
Subscapular fossa of scapula
Origin of Subscapularis?
Lateral Third of clavicle
Supraspinous fossa of scapula
Infraspinatus fossa of scapula
Subscapular fossa of scapula
Insertion of Deltoid?
Deltoid tuberosity of humerus
Greater tubercle of humerus
Lesser tubercle of humerus
Insertion of Suprascinatus
Deltoid tuberosity of humerus
Greater tubercle of humerus
Lesser tubercle of humerus
Insertion of Infraspinatus
Deltoid tuberosity of humerus
Greater tubercle of humerus
Lesser tubercle of humerus
Insertion of Subscapularis
Deltoid tuberosity of humerus
Greater tubercle of humerus
Lesser tubercle of humerus
Action of Supraspinatus?
Abduct arm
Laterally rotate arm
Medially rotate arm
Action of Infraspinatus?
Abduct arm
Laterally rotate arm
Medially rotate arm
Action of Subscapularis?
Abduct arm
Laterally rotate arm
Medially rotate arm
Action of lateral fibers of deltoid?
Abduct the arm
Flex and medially rotate arm
Extend and laterally rotate arm
Action of anterior fibers of deltoid?
Abduct the arm
Flex and medially rotate arm
Extend and laterally rotate arm
Action of posterior fibers of deltoid?
Abduct the arm
Flex and medially rotate arm
Extend and laterally rotate arm
Cross anterior surface of the elbow joint.
Flexion of the forearm
Extension of the forearm.
Cross posterior surface of the elbow joint.
Flexion of the forearm
Extension of the forearm.
Which of these is the origin of the bicep long head?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Humerus
Infraglenoid tubercle of scapula
Which of these is the origin of the bicep shot head?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Humerus
Infraglenoid tubercle of scapula
Which of these is the origin of the brachialis?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Humerus
Infraglenoid tubercle of scapula
Which of these is the origin of the brachioradialis?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Humerus
Infraglenoid tubercle of scapula
Which of these is the origin of the Tricpes long head?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Humerus
Infraglenoid tubercle of scapula
Which of these is the insertion of the biceps brachii?
Radial Tuberosity
Ulna
Radius
Which of these is the insertion of the Brachialis?
Radial Tuberosity
Ulna
Radius
Which of these is the insertion of the Brachioradialis?
Radial Tuberosity
Ulna
Radius
Which of these is the insertion of the Tricpes Brachii?
Radial Tuberosity
Ulna
Radius
Which of these is the action of the Biceps Brachii?
Flexion of forearm and arm
Extension of elbow and shoulder joint
Assists triceps in extending the elbow
Which of these is the action of the Triceps?
Flexion of forearm and arm
Extension of elbow and shoulder joint
Assists triceps in extending the elbow
Which of these is the action of the Anconeus?
Flexion of forearm and arm
Extension of elbow and shoulder
Assists triceps in extending the elbow
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