Final Exam Practice Flashcards
What muscles ABduct the shoulder?
Synergist Muscle:
Deltoid (all fibers)
Supraspinatus
Antagonist: Latissimus Dorsi Teres Major Teres Minor Infraspinatus Pectoral Major (all fibers) Triceps Brachii (long head) Coracobrachialis
What muscles ABduct (protract) the scapula?
Synergist:
Serratus Anterior
Pectoralis Minor
Antagonist:
Middle Trapezoid
Rhomboid Major
Rhomboid Minor
What muscles ADduct (Retract) the scapula?
Synergist:
Middle Trapezius
Major Rhomboid
Minor Rhomboid
Antagonist:
Serratus Anterior
Pectoralis Minor
What muscles ADduct the shoulder?
Synergist: Latissimus Dorsi Teres Major Teres Minor Infraspinatus Pectoralis Major (all fibers) Triceps Brachii (Long Head) Coracobrachialis
Antagonist:
Deltoid
Supraspinatus
What muscles depress the scapula?
Synergist:
Lower Trapezius
Serratus Anterior
Pectoralis Minor
Antagonist: Upper Trapezium Minor Rhomboid Major Rhomboid Levator Scapula
Which muscles downwardly rotate the scapula?
Synergist: Major Rhomboid Minor Rhomboid Levator Scapula Pectoralis Minor
Antagonist:
Upper & Lower Trapezius
Serratus Anterior
Which muscles elevate the scapula?
Synergist: Upper Trapezius Major Rhomboid Minor Rhomboid Levator Scapula
Antagonist:
Lower Trapezius
Serratus Anterior
Pectoralis Minor
Which muscles extend the shoulder?
Synergist: Deltoid (posterior fiber) Latissimus Dorsi Teres Major Pectoralis Major (lower fiber) Triceps Brachii (long head)
Antagonist: Deltoid (anterior fiber) Pectoralis Major (Upper fiber) Biceps brachii Coracobrachialis
Which muscles Flex the Shoulder?
Synergist: Deltoid (Anterior Fibers) Pectoralis Major (Upper Fibers) Biceps Brachii Coracobrachialis
Antagonist: Deltoid (Posterior Fiber) Latissimus Dorsi Teres Major Pectoralis Major (Lower Fibers) Triceps Brachii (Long Head)
Which muscles Horizontally ABduct the Shoulder?
Synergist:
Deltoid (posterior fibers)
Antagonist:
Deltoid (Anterior Fibers)
Pectoralis Major (Upper Fibers)
Which muscles Horizontally ADduct the shoulder?
Synergist:
Deltoid (Anterior Fibers)
Pectoralis Major (Upper Fibers)
Antagonist:
Deltoid (Posterior Fibers)
Which muscles Laterally Rotate (Externally Rotate) the shoulder?
Synergist:
Deltoid (Posterior Fiber)
Infraspinatus
Teres Minor
Antagonist: Deltoid (Anterior Fibers) Latissimus Dorsi Teres Major Subscapularis Pectoralis Major (all fibers)
Which muscles Medially Rotate (Internally Rotate) the shoulder?
Synergist: Deltoid (Anterior Fibers) Latissimus Dorsi Teres Major Subscapularis Pectoralis Major (All Fibers)
Antagonist:
Deltoid (Anterior Fibers)
Infraspinatus
Teres Minor
Which muscles upwardly rotate the scapula?
Muscles that create upward rotation:
Upper & Lower Trapezius
Serratus Anterior
Antagonist:
Major & Minor Rhomboids
Levator Scapula
Pectoralis Minor
Which muscles ABduct (Radial Deviation) the wrist?
Synergist: Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Pollicis Longus Extensor Polllicis Brevis Flexor Carpi Radialis ABductor Pollicis Longus
Antagonist:
Extensor Carpi Ulnaris
Flexor Carpi Ulnaris
What muscles ABduct the 2nd - 5th fingers?
Synergist:
Dorsal Interossei (2nd-4th)
ABductor Digiti Minimi (5th)
Antagonist: Palmer Interossei (2nd, 3rd, 5th) Extensor Indicis (5th)
Which muscles ABduct the thumb?
Synergist:
ABductor Policis Longus
ABductor Pollicis Brevis
Antagonist:
ADductor Pollicis
Palmar Interossei (1st)
Which muscles ADduct the wrist?
Synergist:
Extensor Carpi Ulnaris
Flexor Ulnaris
Antagonist: Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Pollicis Longus Extensor Pollicis Brevis Flexor Carpi Radialis ABductor Pollicis Longus
What muscles ADduct the 2nd through 5th fingers?
Synergist: Palmar Interossei (2nd, 4th, 5th) Extensor Indicis (2nd)
Antagonist:
Dorsal Interossei (2nd-4th)
ABductor Digiti Minimi (5th)
What muscles ADduct the thumb?
Synergist:
ADductor Pollicis
Palmer Interossei (1st)
Antagonist:
ABductor Longus
ABductor Brevis
What muscles extend the elbow?
Synergist:
Triceps Brachii (all)
Anconeus
Antagonist:
Biceps Brachii
Brachialis
Brachioradialis
Antagonist Assisters: Flexor Carpi Radius Flexor Carpi Ulnaris Palmaris Longus Pronator Teres Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis
What muscles Extend the 2nd-5th fingers?
Synergist: Extensor Digitorum Lumbricals Palmar Interossei (Assist w/ 2nd, 4th & 5th) Dorsal Interossei (Assist w/ 2nd-4th) Extensor Indicis (2nd)
Antagonist: Flexor Digitorum Superficialis Flexor Digitorum Profundus Flexor Digiti Minimi Brevis (5th) Lumbricals Palmar Interossei (Assist w/ 2nd, 4th, 5th) Dorsal Interossei (Assist w/2nd - 4th)
Which muscles Extend the Thumb?
Synergist: Extensor Pollicis Longus Extensor Pollicis Brevis ABductor Pollicis Longus Palmar Interossei (Assists 1st)
Antagonist: Flexor Pollicis Longus Flexor Pollicis Brevis ADductor Pollicis (Assist) Palmar Interossei (Assist)
What muscles Extend the Wrist?
Synergist: Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris Extensor Digitorum (Assist) Extensor Indicis (Assist)
Antagonist: Flexor Carpi Radialis Flexor Carpi Ulnaris Palmaris Longus Flexor Digitorum Superficialis Flexor Digitorum Profundus (Assist) Flexor Pollicis Longus (Assist)
Which muscles flex the elbow?
Synergist:
Biceps Brachii
Brachialis
Bracioradialis
Assist in Flexion: Flexor Carpi Radialis Flexor Carpi Ulnaris Palmaris Longus Pronator Teres Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis
Antagonist:
Triceps Brachii
Anconeus
What muscles Flex the 2nd-5th fingers?
Synergist: Flexor Digitorum Superficialis Flexor Digitorum Profundus Flexor Digiti Minimi Brevis (5th) Lumbricals Palmar Interossei (Assist w/2nd, 4th, 5th) Dorsal Interossei (Assist w/ 2nd-4th)
Antagonist: Extensor Digitorum Lumbricals Palmar Interossei (Assist w/ 2nd, 4th, 5th) Dorsal Interossei (Assist w/ 2nd-5th) Extensor Indicis (2nd)
Which muscles Flex the Thumb?
Synergist: Flexor Pollicis Longus Flexor Pollicis Brevis ADductor Pollicis (Assist) Palmar Interossei (Assist)
Antagonist: Extensor Pollicis Longus Extensor Pollicis Brevis ABductor Pollicis Longus Palmar Interossei (Assist)
What muscles Flex the Wrist??
Synergist: Flexor Carpi Radialis Flexor Carpi Ulnaris Palmaris Longus Flexor Digitorum Superficialis Flexor Digitorum Profundus (Assist) Flexor Pollicis Longus (Assist)
Antagonist: Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris Extensor Digitorum (Assist) Extensor Indicis (Assist)
What muscles Pronate the Forearm?
Synergist:
Pronator Teres
Pronator Quadratus
Brachioradialis (Assist)
Antagonist:
Biceps Brachii
Supinator
Brachioradialis (Assist)
Which muscles Supinate the Forearm?
Synergist:
Biceps Brachii
Supinator
Brachioradialis
Antagonist:
Pronator Teres
Pronator Quadratus
Brachioradialis (Assist)
What muscles Oppose the Thumb?
Opponeus Pollicis
Flexor Pollicis Brevis (Assist)
ABductor Pollicis Brevis (Assist)
Which movement accompanies upward rotation (protraction) of the shoulder girdle?
Shoulder Flexion
What muscle attaches to the coracoid process?
Pectoralis Minor
What is the innervation and action of the serratus anterior?
Nerve: Long Thoracic C5,6,7,8
Action: ABduct Scapula
Upwardly Rotate Scapula
Depress the Scapula
Holds Medial Border of Scapula to Rib Cage
What is the origin of the upper trapezius?
External Occipital Protuberance
What is the origin and insertion of the Levator Scapula?
Origin: Transverse Processes 1st - 4th vertebrae
Insertion: Medial Border of Scapula
Between superior angle and superior portion of Spi. of Sc.
What muscles provide Scapular Elevation?
Levator Scapula
Upper Trapezius
Rhomboid Major & Minor
How many muscles are innervated by the median nerve?
12
What ribs is the scapula located between?
Ribs 1 - 7
What is the distal attachment for the subscapularis?
Lesser Tubercle of the Humerus
Which nerve, if clinically absent, results in partial loss of Shoulder ABduction and weak Shoulder Lateral Rotation?
Axillary Nerve
What nerve innervates the Coracobrachialis?
Musculocutaneous
What muscle best performs Shoulder Lateral Rotation & Horizontal ABduction?
Teres Major
What is the origin for the Long Head & the Short Head of the Biceps Brachii?
Long: Supraglenoid Tubercle
Short: Coracoid Process
What muscle works centergistically with the Latissimus Dorsi to do Shoulder Extension, Medial Rotation & ABduction?
Teres Major
What nerve innervates the Triceps Brachii?
Radial Nerve
What ligament provides a roof over the head of the humerus and serves as a protective arch?
Coracocromial
What is the main action of the Infraspinatus?
Laterally Rotates the Shoulder
What muscle attaches to the lesser tuberosity of the humerus?
Subscapularis
What muscles make up the rotator cuff?
SITS
Supraspinatus
Infraspinatus
Teres Minor
Subscapularis
What nerve innervates most of the elbow Flexors>
Musculocutaneous