Muscles Of The Brachium - Actions, Insertions, Origins, And Innervation

Front 1

Origin of Long Head of Biceps Brachii

Back 1

Supraglenoid Tubercle of Scapula

Front 2

Origin of Short Head of Biceps Brachii

Back 2

Coracoid Process of the Scapula

Front 3

A Two Joint Muscle that goes through the Glenohumeral joint and the humeroulnar joint

Back 3

Biceps Brachii

Front 4

Insertion of Biceps Brachii

Back 4

Radial Tuberosity

Front 5

Innervation of Biceps Brachii

Back 5

Musculocutaneus Nerve

Front 6

Main action of Biceps Brachii

Back 6

Supination of the forearm

Front 7

Secondary Actions of Biceps Brachii

Back 7

Glenohumeral Flexion |

Glenohumeral Adduction |

Humeroulnar Flexion against resistance

Front 8

Origin of Brachialis

Back 8

Anterior Humerus

Front 9

Insertion of Brachialis

Back 9

Ulnar Tuberosity and Coronoid Process of Ulna

Front 10

Action of Brachialis

Back 10

Humeroulnar flexion

Front 11

Innervation of Brachialis

Back 11

Musculocutaneus Nerve

Front 12

Origin of Long Head of Triceps Brachii

Back 12

Infraglenoid Tubercle of Scapula

Front 13

Origin of Lateral Head of Triceps Brachii

Back 13

Distal to Greater Tubercle of Humerus

Front 14

Origin of Medial head of Triceps Brachii

Back 14

Deep Posterior Humeral Shaft

Front 15

Insertion of Triceps Brachii

Back 15

Olecranon Process of Ulna

Front 16

Innervation of Triceps Brachii

Back 16

Radial Nerve

Front 17

Action of Triceps Brachii

Back 17

Humeroulnar Extension

Front 18

Origin of Anconeus

Back 18

Lateral Epicondyle of the Humerus

Front 19

Insertion of Anconeus

Back 19

Olecranon Process of Ulna

Front 20

Innervation of Anconeus

Back 20

Radial Nerve

Front 21

Action of Anconeus

Back 21

Assist in Humeroulnar Extension

Front 22

Muscles of the forearm

Back 22

Carpi or Radialis Muscles

Front 23

Origin of Brachioradialis

Back 23

Lateral Supracondylar ridge

Front 24

Insertion of Brachioradialis

Back 24

Styloid Process of Radius

Front 25

Innervation of Brachioradialis

Back 25

Radial Nerve

Front 26

Actions of Brachioradialis

Back 26

Humeroulnar flexion in semipronation

(Drinking Muscle)

Front 27

Superficial muscles of the anterior compartment of the forearm

Back 27

Pronator Teres |

Flexor Carpi Radialis |

Palmaris Longus |

Flexor Carpi Ulnaris

Front 28

Middle layer muscle of the anterior compartment of the forearm

Back 28

Flexor digitorum superficialis

Front 29

Deep layer muscles of the anterior compartment of the forearm

Back 29

Flexor Digitorum Profundus |

Flexor Pollicis Longus

Front 30

Very Deep Layer Muscle of the Anterior Compartment of the Forearm

Back 30

Pronator Quadratus

Front 31

Origin of Pronator Teres

Back 31

Medial Epicondyle

Front 32

Insertion of Pronator Teres

Back 32

Lateral Shaft of Radius

Front 33

Action of Pronator Teres

Back 33

Pronation of the Forearm and Humeroulnar Flexion

Front 34

Innervation of Pronator Teres

Back 34

Median Nerve

Front 35

Carpal Flexors

Back 35

Flexor Carpi Radialis

Palmaris Longus

Flexor Carpi Ulnaris

Front 36

Origin of Flexor Carpiradialis

Back 36

Medial Epicondyle

Front 37

Insertion of Flexor Carpiradialis

Back 37

Bases of proximal metacarpals 2 and 3

Front 38

Action of the Flexor Carpiradialis

Back 38

Carpal Flexor |

Abduction of Wrist |

Humeroulnar Flexion

Front 39

Innervation of Flexor Carpiradialis

Back 39

Median Nerve

Front 40

Origin of the Palmaris Longus

Back 40

Medial Epicondyle of Humerus

Front 41

Insertion ofPalmaris Longus

Back 41

Palmar Aponeurosis

Front 42

Action of Palmaris Longus

Back 42

Wrist Flexion and Elbow Flexion

Front 43

Innervation of Palmaris Longus

Back 43

Median Nerve

Front 44

Origin of Flexor Carpi Ulnaris

Back 44

Medial Epicondyle of Humerus

Front 45

Insertion of Flexor Carpi Ulnaris

Back 45

Base of fifth metacarpal

Front 46

Action of Flexor Carpi Ulnaris

Back 46

Wrist Flexion |

Adduction of the Wrist |

Humeroulnar Flexion

Front 47

Innervation of Flexor Carpi Ulnaris

Back 47

Ulnar Nerve

Front 48

Origin ofFlexor Digitorum Sublimis

Back 48

Medial Epicondyle to Mid-shaft of Radius

Front 49

Insertion of Superficial Tendons ofFlexor Digitorum Sublimis

Back 49

Sides of Middle phalanges of digits 3 and 4

Front 50

Insertion of Deep Tendons of Flexor Digitorum Sublimis

Back 50

Sides of Middle Phalanges of digits 2 and 5

Front 51

Action of Flexor Digitorum Sublimis

Back 51

Flexion of proximal interphalangial joints |

Humeroulnar Flexion |

Carpal Flexion

Front 52

Innervation ofFlexor Digitorum Subliminis

Back 52

Median Nerve

Front 53

Origin of Flexor Digitorum Profundus

Back 53

Anterior Ulna and Medial Interossus Membrane

Front 54

Insertion ofFlexor Digitorum Profundus

Back 54

Bases of Distal Phalanges of hand

Front 55

Action ofFlexor Digitorum Profundus

Back 55

Flexion of Distal Interphalangeal Joints |

Carpal Flexion |

Flextion of Proximal Phalangeal Joints

Front 56

Innervation ofFlexor Digitorum Profundus

Back 56

Median and Ulnar Nerves (half and half)

Front 57

Origin ofFlexor Pollicis Longus

Back 57

Anterior Radius and Lateral Interosseous membrane

Front 58

Insertion ofFlexor Pollicis Longus

Back 58

Distal Phalynx of Pollux

Front 59

Action ofFlexor Pollicis Longus

Back 59

Flexion of Pollux

Front 60

Innervation ofFlexor Pollicis Longus

Back 60

Median Nerve

Front 61

Origin ofPronator Quadratus

Back 61

Distal Anterior Ulna

Front 62

Insertion ofPronator Quadratus

Back 62

Distal Anterior Radius

Front 63

Action ofPronator Quadratus

Back 63

Pronation of Forearm

Front 64

Innervation ofPronator Quadratus

Back 64

Median Nerve

Front 65

Origin ofExtensor Carpi Radialis Longus

Back 65

Lateral Epicondyle and Lateral Epicondylar ridge

Front 66

Insertion ofExtensor Carpi Radialis Longus

Back 66

Base of Metacarpal II

Front 67

Innervation ofExtensor Carpi Radialis Longus

Back 67

Radial Nerve

Front 68

Action ofExtensor Carpi Radialis Longus

Back 68

Extension of Carpals and Extension Humeroulnar Joint

Front 69

Origin ofExtensor Carpi Radialis Brevis

Back 69

Lateral Epicondyle

Front 70

Insertion of Extensor Carpi Radialis Brevis

Back 70

Base of Metacarpal III

Front 71

Action ofExtensor Carpi Radialis Brevis

Back 71

Extension of Carpals and Extension Humeroulnar Joint

(Same as ECRL)

Front 72

Innervation ofExtensor Carpi Radialis Brevis

Back 72

Radial Nerve

Front 73

Origin ofExtensor Digitorum

Back 73

Lateral Epicondyle of Humerus

Front 74

Insertion ofExtensor Digitorum

Back 74

Base of Distal Phalanges of Digits 2-4

Front 75

Action ofExtensor Digitorum

Back 75

Extension of fingers and wrist |

Humeroulnar Extension

Front 76

Innervation ofExtensor Digitorum

Back 76

Radial Nerve

Front 77

Origin ofExtensor Digiti Minimi

Back 77

Lateral Epicondyle of Humerus

Front 78

Insertion ofExtensor Digiti Minimi

Back 78

Blends with Tendon of Extensor Digitorum

Front 79

Innervation ofExtensor Digiti Minimi

Back 79

Radial Nerve

Front 80

Action ofExtensor Digiti Minimi

Back 80

Extension of 5th metacarpal

Front 81

Origin ofExtensor Carpi Ulnaris

Back 81

Lateral Epicondyle and adjacent Ulna

Front 82

Insertion ofExtensor Carpi Ulnaris

Back 82

Posterior Base of 5th Metacarpal

Front 83

Action ofExtensor Carpi Ulnaris

Back 83

Wrist Extension and Abduction of the wrist and humeroulnar joint

Front 84

Innervation ofExtensor Carpi Ulnaris

Back 84

Radial Nerve

Front 85

Origin of Abductor Pollicis Longus

Back 85

Posterior Radius, Ulna, and Interosseous Membrane

Front 86

Insertion ofAbductor Pollicis Longus

Back 86

Base of 1st Metacarpal

Front 87

Action ofAbductor Pollicis Longus

Back 87

Abduction of the Pollux

Front 88

Innervation ofAbductor Pollicis Longus

Back 88

Radial Nerve

Front 89

Origin ofExtensor Pollicis Longus

Back 89

Posterior Radius, Ulna, and Interrosseous Membrane

Front 90

Insertion ofExtensor Pollicis Longus

Back 90

Base of Proximal Phalanx of Thumb

Front 91

Action ofExtensor Pollicis Longus

Back 91

Extension of Pollux

Front 92

Innervation ofExtensor Pollicis Longus

Back 92

Radial Nerve

Front 93

Origin ofExtensor Indicis

Back 93

Posterior Radius, Ulna, and Interosseous Membrane

Front 94

Insertion ofExtensor Indicis

Back 94

Base of Distal Phalanx of Index

Front 95

Action ofExtensor Indicis

Back 95

Extension of Index (second digit)

Front 96

Innervation ofExtensor Indicis

Back 96

Radial Nerve

Front 97

Origin ofSupinator

Back 97

Lateral Epicondyle and the Proximal end of the Ulna

Front 98

Insertion ofSupinator

Back 98

Posterior Proximal Radius

Front 99

Innervation ofSupinator

Back 99

Radial Nerve

Front 100

Action ofSupinator

Back 100

Supination of Wrist