Origin, Insertion, & Action Quiz
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Posterior Surface at inferior angle of scapula. 1 What is the origin of the Teres Major muscle?

Extends Knee - Stabilizes Patella 2 What is the action of the Vastus Medialis?

Distal portion of anterior humerus 3 What is the origin of the brachialis?

By an aponeurosis into the medial aspect of proximal tibia 4 What is the insertion of the sartorius?

Anterior inferior iliac spine and superior margin of acetabulum 5 The origin of Rectus Femoris is?

Zygomatic Arch and Maxilla 6 What is the origin of the Masseter?

Extends knee 7 What is the action of the Vastus Intermedius?

Calcaneus via calcaneal tendon 8 What is the insertion of the Gastrocnemius?

Flexes, abducts and laterally rotates thigh, flexes knee, known as tailer's muscle 9 The action of the sartorius?

Extends knee and flexes thigh at hip 10 The action of the Rectus Femoris is?

Xyphoid process and cartilage of ribs 5-7 11 What is the insertion of Rectus Abdominus?

Greater Trochanter, intertrochanteric line, and linea aspera 12 What is the origin of the Vastus Lateralis?

Arm abduction; aids in flexion, extension, and rotation of humerus 13 What is the action of the Deltoid muscle?

Skin of chin 14 What is the insertion of the Mentalis?

Anterior surface of vertebral border of scapula. 15 What is the insertion of the Serratus Anterior?

A major flexor of the forearm 16 What is the action of the brachialis?

Ischial Tuberosity 17 What is the origin of Semimembranosus?

Extends thigh mostly when climbing stairs - Laterally rotates and abducts thigh 18 What is the action of the Gluteus Maximus?

Tibial Tuberosity and patella 19 What is the insertion of Vastus Lateralis?

Anterior and lateral surface of femur 20 Where does the Vastus Intermedius originate?

Closes jaw, elevates mandible 21 The action of the Massester muscle is?

Medial Condyle of Tibia - Lateral condyle of femur 22 The insertion of the Semimembranosus is?

Infraspinous fossa of scapula 23 The origin of Infraspinatus is?

Flexes and rotates vertebral column, Increases abdominal pressure, Fixes and depresses ribs, Stabilizes pelvis during walking, Used in sit-ups and curls 24  What is the action of the Rectus Abdominus?

Intertubercular groove of humerus 25 What is the insertion of the Pectoralis Major?

Lateral one-third of clavicle, acromion and spine of scapula 26 What is the origin of the Deltoid?

Plantar flexes foot when knee is extended, crosses knee, 27 What is the action of the Gastrocnemius?

Intertubercular groove of humerus 28 What is the insertion of the Teres Major?

Mandible below incisors 29 The mentalis originates where?

Moves scapula forward toward chest, Rotates scapula, abduction and raising of arm 30 What is the action of the Serratus Anterior?

Tiblial Tuberosity and Patella 31 What is the insertion of the Vastus Medialis?

Supraspinous fossa of scapula 32 What is the origin of the Supraspinatus?

Assists abduction of humerus, stabilizes shoulder joint 33 What is the action of the Supraspinatus?

Greater tubercle of humerus 34 What is the insertion of the Infraspinatus?

Temporal fossa 35 The origin of the Temporalis is?

Elevates and retracts mandible 36 What is the action of the Temporalis?

Gluteal Tuberosity and Iliotibial Tract 37 What is the insertion of the Gluteus Maximus?

Linea aspera and intertrochanteric line 38 What is the origin of the Vastus Medialis?

Extends and flexes knee, medially rotates leg 39 What is the action of the Semimembranosus?

Angle and ramus of mandible 40 What is the insertion of the Masseter?

Pubic Crest and symphysis 41 What is the origin of the Rectus Abdominus?

Arm flexion, adducts and medially rotates arm, pulls chest upward 42 What is the action of the Pectoralis Major?

Deltoid tuberosity of humerus 43 What is the insertion of the Deltoid?

Medial and lateral condyles of femur 44 What is the origin of the Gastrocnemius?

Extends, medially rotates and adducts humerus 45 What is the action of the Teres Major?

Tibial tuberosity and Patella 46 What is the insertion of the Rectus Femoris?

Lateral aspect of ribs 1-8 47 What is the origin of the Serratus Anterior?

Extends and stabilizes knee 48 What is the action of the Vastus Lateralis?

Coronoid process of the mandible 49 What is the insertion of the Temporalis?

Dorsal illium, sacrum and coccyx 50 Where does the Gluteus Maximus originate?

Lateral rotation of humerus, helps hold head of humerus in glenoid cavity, and stabilizes shoulder 51 The action of the Infraspinatus is?

Tibial tuberosity and patella 52 What is the insertion of the Vastus Intermedius?

Clavicle, sternum, cartilage of ribs 1-6, aponeurosis of external oblique 53 The origin of the Pectoralis major is?

Protrudes lower lip, wrinkles chin 54 What is the action of the Mentalis?

Greater tubercle of humerus 55 What is the insertion of the Supraspinatus?

Coronoid process of ulna 56 What is the insertion of the brachialis?

Anterior superior iliac spine 57 What is the origin of the sartorius?

 











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