Insertion and Origin Flashcards
Pectoralis Major
O: Sternal head, Clavicular head
I: Lateral lip of intertubercular groove
Pectoralis Minor
O: Anterior surface of ribs
I: Coracoid process
Anterior Deltoid
O: Lateral clavicle
I: Deltoid tuberosity of humerus
Biceps Brachii
O: Long head=Supraglenoid tubercle of scapula
Short head=Coracoid process of scapula
I: Radial tuberosity
Coracobrachialis
O: Coracoid process of scapula
I: Anteromedial humerus
Trapezius
O: external occipital protuberance and ligamentum nuchae Spinous processes of thoracic vertebrae I: lateral third of clavicle acromion process spine of scapula
Posterior Deltoid
O: Spine of scapula
I: Deltoid tuberosity of humerus
Middle Deltoid
O: Acromion process
I: Deltoid tuberosity of humerus
Latissimus Dorsi
O: Spinous processes of thoracic and lumbar vertebrae via thoracolumbar fascia; iliac crest
I: Medial lip of intertubercular groove
Levator Scapulae
O: Transverse processes of cervical vertebrae
I: Superior angle of scapula
Rhomboids - Minor and Major
O: C7 and thoracic vertebrae
I: Medial border of scapula
Serratus Anterior
O: Anterolateral ribs
I: Medial border and inferior angle of scapula
Subscapularis
O: Subscapular fossa
I: Lesser tubercle of humerus
Supraspinatus
O: Supraspinous fossa
I: Greater tubercle of humerus
Infraspinatus
O: Infraspinous fossa
I: Greater tubercle
Teres Minor
O: Lateral border of scapula
I: Greater tubercle
Teres Major
O: Inferior angle of scapula
I: Medial lip of intertubercular groove
Triceps Brachii - Long Head
O: Infraglenoid process of scapula
I: Olecranon process
Brachialis
O: Distal anterior humerus
I: Ulnar tuberosity
Brachioradialis
O: Lateral supracondylar ridge of humerus
I: Styloid process of radius
Triceps Brachii - Lateral head
O: proximal posterolateral humerus
I: Olecranon process
Triceps Brachii - Medial head
O: Distal posteromedial humerus
I: Olecranon process
Anconeus
O: Lateral epicondyle of humerus
I: Olecranon process
Pronator Teres
O: Medial epicondyle of humerus and coronoid process of ulna
I: Middle lateral radius
Flexor Carpi Radialis
O: Medial epicondyle of humerus (common flexor tendon)
I: Base of 2nd and 3rd metacarpals
Palmaris Longus
O: Medial epicondyle of humerus (common flexor tendon)
I: Palmar aponeurosis
Flexor Carpi Ulnaris
O: Medial epicondyle of humerus (common flexor tendon) and proximal posterior ulna
I: Pisiform
Flexor Digitorum Superficialis
O: Medial epicondyle of humerus (common flexor tendon), ulna and radius
I: Middle phalanx of the 4 fingers
Flexor Digitorum Profundus
O: Ulna and interosseous membrane
I: Distal phalanx of 4 fingers
Flexor Pollicis Longus
O: Middle anterior radius and interosseous membrane
I: Distal phalanx of thumb
Pronator Quadratus
O: Distal anterior ulna
I: Distal anterior radius
Ext Carpi Radialis Longus/Brevis
O: Lateral supracondylar ridge and lateral epicondyle of humerus
I: Base of 2nd metacarpal (Longus)
Base of 3rd metacarpal (Brevis)
Extensor Digitorum
O: Lateral epicondyle of humerus
I: Middle and distal phalanges of 4 fingers
Extensor Digiti Minimi
O: Lateral epicondyle
I: Middle and distal phalanges of little finger
Extensor Carpi Ulnaris
O: Lateral epicondyle of humerus and proximal posterior ulna
I: Base of 5th metacarpal
Supinator
O: Lateral epicondyle of humerus and proximal posterolateral ulna
I: Anterolateral proximal radius
Extensor Indicis
O: Posterior ulna and interosseous membrane
I: Extensor expansion of 2nd finger
Abductor Pollicis Longus
O: Posterior radius and ulna and interosseous membrane
I: Base of 1st metacarpal
Extensor Pollicis Brevis
O: Posterior radius and interosseous membrane
I: Proximal phalanx of thumb
Extensor Pollicis Longus
O: Posterior ulna and interosseous membrane
I: Distal phalanx of thumb
Sartorius
O: Anterior superior iliac spine
I: Proximal medial tibia
Tensor Fasciae Latae
O: Iliac crest
I: lateral tibial condyle via iliotibial band
Rectus Femoris
O: Anterior inferior iliac spine
I: Patella and tibial tuberosity via patellar ligament
Iliopsoas
O: Iliacus - iliac fossa
psoas - lumbar vertebrae
I: lesser trochanter
Pectineus
O: Superior ramus of pubis
I: Proximal medial femur
Adductor Brevis
O: Body and inferior ramus of pubis
I: Proximal linea astera
Adductor Longus
O: Pubic tubercle
I: Medial lip of linea aspera, inferior to adductor brevis
Adductor Magnus
O: Inferior ramus of pubis and ischial tuberosity I: Linea aspera, inferior to adductor longus (anterior) Adductor tubercle (posterior)
Gracilis
O: Inferior ramus of pubis, ischial ramus
I: Proximal medial tibia
Gluteus Maximus
O: Posterior sacrum and ilium
I: Iliotibial tract and gluteal tuberosity
Gluteus Medius
O: Lateral ilium
Deep to gluteus maximus
I: Greater trochanter
Gluteus Minimus
O: Lateral ilium
Deep to gluteus maximus and medius
I: Greater trochanter
Six deep lateral rotators
O: pelvis
I: Greater trochanter
Semimembranosus
O: Ischial tuberosity
I: Proximal medial tibia
Semitendinosus
O: Ischial tuberosity
I: Medial tibia
Biceps femoris
O: Ischial tuberosity
I: Lateral condyle of tibia and head of fibula