MSK Upper Limb Flashcards
What muscles originate from the Clavicle?
Pectoralis Major (Medial Third) Anterior Deltoid (Lateral Third)
What muscles originate from the Ribs?
Pectoralis Minor (Anterior III, IV, V) Serratus Anterior (Ext. surface of Lat. I - VII)
What muscles originate from the Scapula?
Subscapularis (Subscapular fossa)
Supraspinatus (Supraspinous fossa)
Infraspinatus (Infraspinous fossa)
Teres Minor (Middle part of Lateral border)
Teres Major (Infraspinous Fossa behind Infraspinatus)
Coracobrachialis (Coracoid Process)
Middle (Acromion) and Post Deltoid (Spine)
Short Head (Coracoid Process) and Long Head of Biceps Brachii (Supraglenoid Tubercle)
Long Head of Triceps Brachii (Infraglenoid Tubercle)
What muscles originate from the Humerus?
Brachialis (Anterior)
Medial and Lateral Heads of Triceps Brachii (Post surface)
Pronator Teres, Flexor Carpi Radialis, Palmaris Longus, Flexor Carpi Ulnaris (Post.), Flexor Digitorum Superficialis (ME)
Brachioradialis, Extensor Carpi Radialis Longus (Supracondylar ridge)
Extensor Carpi Radialis Brevis, Extensor Digitorum, Extensor Digiti Minimi, Extensor Carpi Ulnaris, Supinator (LE)
What muscles originate from the Ulna?
Pronator Teres (Coronoid Process) Flexor Carpi Ulnaris (Olecranon) Flexor Digitorum Superficialis (Coronoid Process) Flexor Digitorum Profundus Pronator Quadratus (Distal anterior surface) Extensor Carpi Ulnaris Supinator Abductor Pollicis Longus (Post surface) Extensor Pollicis Longus (Post surface) Extensor Indicis
What muscles originate from the Radius?
Flexor Digitorum Superficialis (Head)
Flexor Pollicis Longus (Ant surface)
Abductor Pollicis Longus (Post surface)
Extensor Pollicis Brevis (Post surface)
What muscles originate from the Interosseus Membrane?
Flexor Pollicis Longus
Flexor Digitorum Profundus
What muscles insert into the Scapula?
Pectoralis Minor (Coracoid Process)
Serratus Anterior (Medial Border)
Trapezius (Acromion and Spine)
Rhomboid Minor, Major, Levator Scapulae (Post surface of Medial border)
What muscles insert into the Clavicle?
Trapezius (Lateral Third)
What muscles insert into the Scapula?
Pectoralis Minor (Coracoid Process)
Serratus Anterior (Medial Border)
Trapezius (Acromion and Spine)
Rhomboid Minor, Major, Levator Scapulae (Post surface of Medial border)
What muscles insert into the Radius?
Biceps Brachii (Radial Tuberosity) Pronator Teres (Mid-shaft) Pronator Quadratus (Distal anterior)
What muscles insert into the Carpals?
Flexor Carpi Ulnaris (Pisiform, Hamate)
What muscles insert into the Radius?
Biceps Brachii (Radial Tuberosity) Pronator Teres (Mid-shaft) Pronator Quadratus (Distal anterior) Brachioradialis (Distal end) Supinator (Lateral surface)
What muscles insert into the Phalanges?
Flexor Digitorum Superficialis (Middle phalanges of II - V)
Flexor Pollicis Longus (Base of Distal thumb)
Flexor Digitorum Superficialis (Distal phalanges of II - V)
What muscles insert into the Metacarpals?
Flexor Carpi Radialis (Base of II and III)
Flexor Carpi Ulnaris (Base of V)
Extensor Carpi Radialis Longus (Dorsal surface of base of II) and Brevis (II and III)
Extensor Carpi Ulnaris (Dorsal base of V)
Abductor Pollicis Longus (Lat surface of base of I)
What muscles insert into the Phalanges?
Flexor Digitorum Superficialis (Middle phalanges of II - V)
Flexor Pollicis Longus (Base of Distal thumb)
Flexor Digitorum Profundus (Distal phalanges of II - V)
Extensor Digitorum (Dorsal base of middle and distal II-V)
Extensor Digiti Minimi (Dorsal hood of little finger)
Extensor Pollicis Longus (Dorsal surface of base of distal thumb) and Brevis (proximal thumb)
Extensor Indicis (Extensor hood of index finger)
What are the Rotator Cuff muscles (stabilise humerus)?
- Supraspinatus
- Infraspinatus
- Teres Minor
- Subscapularis
What muscles are innervated by the Pectoral nerve?
Pectoralis Minor
Pectoralis Major
What muscles are innervated by the Pectoral nerve?
Pectoralis Minor
Pectoralis Major
What muscle is innervated by the Thoracic nerve?
Serratus Anterior
What muscles are innervated by the Subscapular nerve?
Subscapularis
Teres Minor
What muscles are innervated by the Dorsal Scapular nerve?
Rhomboid Minor
Rhomboid Major
Levator Scapulae
What muscles are innervated by the Axillary nerve?
Deltoid
Teres Major
What muscles are innervated by the Spinal nerve?
Trapezius
Latissimus Dorsi
What muscles are innervated by the Musculocutaneous nerve?
Biceps Brachii
Brachialis
Coracobrachialis
What muscles are innervated by the Radial nerve?
Triceps Brachii
What muscles are innervated by the Radial nerve?
Triceps Brachii Brachioradialis Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris Supinator Abductor Pollicis Longus Extensor Pollicis Longus Extensor Indicis Extensor Pollicis Brevis
What muscles are innervated by the Median nerve?
Pronator Teres Flexor Carpi Radialis Palmaris Longus Flexor Digitorum Superficialis Flexor Pollicis Longus Flexor Digitorum Profundus Pronator Quadratus Flexor Pollicis Brevis Abductor Pollicis Brevis Opponens Pollicis
What muscles are innervated by the Ulnar nerve?
Flexor Carpi Ulnaris Flexor Digitorum Profundus Adductor Pollicis Lumbricals Palmar Interosseus Dorsal Interosseus Abductor Digiti Minimi Flexor Digiti Minimi Brevis Opponens Digiti Minimi
What are the Thenar muscles?
Flexor Pollicis Brevis
Abductor Pollicis Brevis
Opponens Pollicis
Adductor Pollicis
What are the Hypothenar muscles?
Lumbricals Palmar Interosseus Dorsal Interosseus Abductor Digiti Minimi Flexor Digiti Minimi Brevis Opponens Digiti Minimi
What muscles are involved in the Protraction of the Scapula?
Pectoralis Minor
Serratus Anterior
What muscles are involved in the Retraction of the Scapula?
Middle Part of Trapezius
Rhomboid Minor and Major
What muscles are involved in the Rotation of the Scapula?
Serratus Anterior
What muscles are involved in the Depression of the Scapula?
Pectoralis Minor
Ascending Part of Trapezius
What muscles are involved in the Elevation of the Scapula?
Descending Part of Trapezius
Levator Scapulae
Rhomboid Minor and Major
What muscles are involved in the Adduction of the Arm at Shoulder Joint?
Pectoralis Major
Teres Minor
What muscles are involved in the Abduction of the Arm at Shoulder Joint?
Supraspinatus
Middle Part of Deltoid
What muscles are involved in the Flexion of the Arm at Shoulder Joint?
Pectoralis Major
Anterior Part of Deltoid
Coracobrachialis
Biceps Brachii (acc.)
What muscles are involved in the Extension of the Arm at Shoulder Joint?
Subscapularis
Posterior Part of Deltoid
Long Head of Triceps Brachii
What muscles are involved in the M. Rotation of the Arm at Shoulder Joint?
Pectoralis Major
Teres Minor
Subscapularis
Anterior Part of Deltoid
What muscles are involved in the L. Rotation of the Arm at Shoulder Joint?
Infraspinatus
Posterior Part of Deltoid
What muscle initiates and assists Deltoid?
Supraspinatus
What muscles are involved in the Flexion of the Forearm at Elbow Joint?
Biceps Brachii Brachialis Flexor Carpi Radialis Palmaris Longus Flexor Carpi Ulnaris
What muscles are involved in the Extension of the Forearm at Elbow Joint?
Triceps Brachii
What muscles are involved in the Abduction of the Forearm at Elbow Joint?
Flexor Carpi Radialis
What muscles are involved in the Adduction of the Forearm at Elbow Joint?
Flexor Carpi Ulnaris
