Anatomy of Scapula, Deltoid, and Latissimus Dorsi Muscles

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Which muscle flexes and laterally rotates the knee, extends the hip, and is located in the upper inner quadrant of the posterior surface of the ischial tuberosity?

Pectoralis major

Soleus

Semitendinosus (correct)

Sternocleidomastoid

Where is the lateral collateral ligament attached?

Tibia (correct)

Femur

Fibula

Lateral malleolus

Which muscle extends the hip and has its tendon attached to the middle of the three facets on the posterior surface of the calcaneus?

Pectoralis major

Soleus (correct)

Sternocleidomastoid

Semitendinosus

What is the function of sternocleidomastoid muscle when acting together?

Protracts head Signup and view all the answers

Where is the pectoralis major muscle attached on the humerus?

Deltoid tuberosity Signup and view all the answers

Which muscle adducts and medially rotates the arm?

Pectoralis major Signup and view all the answers

What is the primary function of the deltoid muscle?

Abduction of the arm Signup and view all the answers

Which muscle is responsible for extending, adducting, and medially rotating the arm?

Latissimus dorsi Signup and view all the answers

What is the primary function of the extensor carpi radialis muscle?

Extension and abduction of the hand at the wrist Signup and view all the answers

Which muscle is responsible for extending all joints of the fingers?

Extensor digitorum Signup and view all the answers

What is the primary function of the extensor carpi ulnaris muscle?

Extension and adduction of the hand at the wrist Signup and view all the answers

Which muscle is responsible for extending the knee and flexing the hip?

Biceps femoris Signup and view all the answers

What is the origin of the coracobrachialis muscle?

Coracoid process of scapula Signup and view all the answers

Which muscle flexes the arm at the elbow and brings the forearm into a midprone position?

Brachioradialis Signup and view all the answers

What is the origin of the flexor carpi radialis muscle?

Common flexor origin of medial epicondyle of humerus Signup and view all the answers

Which muscle's origin is the outer surface of the ischiopubic ramus?

Gracilis Signup and view all the answers

What is the action of the vastus medialis muscle?

Extends knee and stabilizes patella Signup and view all the answers

Which muscle's action is plantar flexion of the foot?

Gastrocnemius Signup and view all the answers

What is the primary function of the temporalis muscle?

Elevates the mandible Signup and view all the answers

Which muscle aids in the passage and drainage of tears?

Orbicularis oculi Signup and view all the answers

Which muscle is responsible for elevating and everting the upper lip?

Zygomaticus minor Signup and view all the answers

The function of the orbicularis oris muscle includes:

Narrowing the mouth orifice and pursing the lips Signup and view all the answers

Which muscle aids in tensing the cheeks during blowing and whistling?

Buccinator Signup and view all the answers

What is the primary function of the mentalis muscle?

Elevating and wrinkling the skin of the chin Signup and view all the answers

Which muscle extends and inverts the foot at the ankle, holding up the medial longitudinal arch of the foot?

Tibialis anterior Signup and view all the answers

Which muscle laterally rotates, elevates, and retracts the scapula, and if the scapula is fixed, extends and laterally flexes the neck?

Trapezius Signup and view all the answers

Which muscle elevates the ribs if the scapula is fixed and protracts the scapula, assisting the serratus anterior?

Pectoralis minor Signup and view all the answers

Which muscle has its long head originating from the supraglenoid tubercle of the scapula?

Biceps brachii Signup and view all the answers

Which muscle has its origin at the medial and upper surface of the coracoid process of the scapula?