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Muscle orgins and insertions
attachments of specific muscles
22
Anatomy
Undergraduate 2
03/20/2016

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Term
Pectoralis Minor
Definition
origin: ribs 3-5
insertion: coracoid process of scapula
Term
Deltoid
Definition
origin: Acromion and spine of scapula, lateral clavicle
Insertion: deltoid tuberosity of humerus
Term
Coracobrachialis
Definition
origin: coracoid process
insertion: medial humeral shaft
Term
Brachialis
Definition
origin: anterior surface of distal half of humerus
insertion: coronoid process and tuberosity of the ulna
Term
Biceps Brachii
Definition
origin: long head- superior margin of glenoid cavity
short head: coracoid process of scapula
insertion: tuberosity of radius; fascia of forearm
Term
Triceps Brachii
Definition
origin: long head- inferior margin of glenoid cavity
lateral head- posterior surfaceand proximal endo of humerus
short head- coracoid process of scapula
insertion: olecranon; fascia of forearm
Term
Pectoralis Major
Definition
origin: medial half of clavicle, lateral margin of sternum; costal cartilages 1-7; aponeurosis of external oblique
insertion: intertubercular sulcus of humerus
Term
Vastus Intermedius
Definition
origin: anterior and lateral femoral shaft
Insertion: patella, tibial tuberosity, lateral and medial condyles of tibia
Term
Vastus Lateralis
Definition
Origin: femur at greater trochanter and intertrochanteric line, gluteal tuberosity, and linea aspera
insertion: patella, tibial tuberosity, lateral and medial condyles of tibia
Term
Vastus Medialis
Definition
Origin: femur at spiral line, linea aspera, and medial supracondylar line
insertion: patella, tibial tuberosity, lateral and medial condyles of tibia
Term
Rectus Femoris
Definition
Origin: ilium at anterior inferior spine, and superior margin of acetabulum, hip joint capsule
Insertion: patella, tibial tuberosity, lateral and medial condyles of tibia
Term
Sartorius
Definition
Origin: anterior superior iliac spine
insertion: medial surface of proximal end of tibia
Term
Biceps Femoris
Definition
Origin: long head- ischial tuberosity
short head- linea aspera and lateral supracondylar line of femur
insertion: head of fibula
Term
Semimembranosus
Definition
origin: ischial tuberosity
insertion: medial condyle and nearby margin of tibia
Term
Semitendinosus
Definition
origin: ischial tuberosity
insertion: medial surface of upper tibia
Term
Tibialis Anterior
Definition
origin: lateral condyle and lateral margin of proximal half of tibia
insertion: median cuneiform, metatarsal I
Term
Soleus
Definition
origin: posterior surface of head of fibula, proximal 1/4th of tibia, interosseous membrane
insertion: calcaneus
Term
Gastrocnemius
Definition
Origin: condyles of femur, popliteal surface, lateral suprcondylar line of femur, capsule of knee joint
insertion: calcaneus
Term
Sternocleidomastoid
Definition
origin: manubrium of sternum, medial 1/3rd of clavicle
insertion: mastoid process of temporal bone
Term
Stylohyoid
Definition
origin: styloid process of temporal bone
insertion: hyoid bone
Term
Mylohyoid
Definition
origin: inferior margin of mandible
insertion: hyoid bone
Term
Sternohyoid
Definition
origin: manubrium of sternum, medial end of clavicle
insertion: hyoid bone
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