Lecture 11 - Muscular system A+P2

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which muscle is responsible for dorsiflexion and inversion of the foot?

  • Extensor Digitorum Longus
  • Fibularis (Peroneus) Brevis
  • Tibialis Anterior (correct)
  • Gastrocnemius

What is the action of the Flexor Hallucis Longus muscle?

  • Dorsiflexion of the big toe
  • Flexion of the knee
  • Plantar flexion of the foot (correct)
  • Eversion of the foot

Which muscle has an origin on the medial condyle of the tibia and proximal shaft of the tibia?

  • Fibularis (Peroneus) Longus
  • Tibialis Posterior
  • Extensor Hallucis Longus
  • Tibialis Anterior (correct)

What is the action of the Gastrocnemius muscle?

<p>Plantar flexion of the foot (B)</p> Signup and view all the answers

Which compartment of the lower leg contains the Fibularis (Peroneus) Longus and Fibularis (Peroneus) Brevis muscles?

<p>Lateral Compartment (A)</p> Signup and view all the answers

What is the insertion of the Tibialis Anterior muscle?

<p>Base of 1st metatarsal (B)</p> Signup and view all the answers

What is the origin of the Long Head of the Biceps Brachii muscle?

<p>Superior portion of the labrum (C)</p> Signup and view all the answers

Which muscle is the MOST POWERFUL FLEXOR of the elbow joint?

<p>Brachialis (B)</p> Signup and view all the answers

What is the term used for medial epicondylitis caused by overuse of muscles on the anterior side of the forearm?

<p>Golfer’s Elbow (A)</p> Signup and view all the answers

What is the origin of the Iliopsoas Muscle?

<p>T12/L1 and iliac fossa (D)</p> Signup and view all the answers

What is the function of the Hamstrings?

<p>Flexion at the knee joint and extension at the hip joint (A)</p> Signup and view all the answers

What is the insertion of the Quadriceps Femoris muscle?

<p>Tibial tuberosity (A)</p> Signup and view all the answers

What is the function of the Adductor Magnus muscle?

<p>Adduction at the hip joint (B)</p> Signup and view all the answers

What is the origin of the Triceps Brachii muscle?

<p>Infraglenoid tubercle (A)</p> Signup and view all the answers

What is the term used for the injury caused by overuse of muscles on the posterior side of the forearm?

<p>Tennis Elbow (D)</p> Signup and view all the answers

What is the function of the Sartorius muscle?

<p>Weakly flexes, abducts, and laterally rotates the hip (B)</p> Signup and view all the answers

Which type of muscle tissue is found in the walls of hollow internal structures?

<p>Smooth muscle tissue (C)</p> Signup and view all the answers

What is the characteristic of a muscle's origin?

<p>The site that does not move during contraction (D)</p> Signup and view all the answers

Which muscle is an example of a prime mover at the elbow joint?

<p>Biceps brachial (C)</p> Signup and view all the answers

What determines the direction of a muscle's name?

<p>The direction of the muscle fibers to the midline (A)</p> Signup and view all the answers

What type of muscle tissue is both striated and involuntary?

<p>Cardiac muscle tissue (D)</p> Signup and view all the answers

Which term describes the arrangement of muscles at a joint?

<p>Antagonistic (A)</p> Signup and view all the answers

What is the main function of the external intercostal muscles during breathing?

<p>To elevate the ribs during inspiration (A)</p> Signup and view all the answers

What is the most important muscle that powers breathing?

<p>Diaphragm (D)</p> Signup and view all the answers

What is the name of the opening in the diaphragm through which the aorta passes?

<p>Aortic hiatus (D)</p> Signup and view all the answers

What is the primary function of the biceps brachial muscle during elbow movement?

<p>To contract and flex the elbow (A)</p> Signup and view all the answers

Which muscle is responsible for depressing the ribs?

<p>Rectus abdominis (A)</p> Signup and view all the answers

What is the role of the antagonist muscle during a movement?

<p>To stretch and then become the primary mover (D)</p> Signup and view all the answers

What is the name of the fibrous band that separates the right and left rectus abdominis muscles?

<p>Linea alba (B)</p> Signup and view all the answers

What type of connective tissue connects muscles to bones?

<p>Tendons (A)</p> Signup and view all the answers

Which muscle originates from the supraspinous fossa and inserts on the greater tubercle of the humerus?

<p>Supraspinatus (B)</p> Signup and view all the answers

What is the main function of the rotator cuff muscles?

<p>To strengthen and stabilize the shoulder (B)</p> Signup and view all the answers

Which muscle is responsible for lifting the chin and extending the neck?

<p>Sternocleidomastoid (C)</p> Signup and view all the answers

Which muscle originates from the anterior abdominal wall and inserts on the linea alba?

<p>Rectus abdominis (C)</p> Signup and view all the answers

What is the action of the trapezius muscle?

<p>To raise the shoulders (C)</p> Signup and view all the answers

What is the name of the muscle that flexes the vertebral column and produces a 'six-pack' appearance?

<p>Rectus abdominis (A)</p> Signup and view all the answers

Which muscle is the widest back muscle?

<p>Latissimus Dorsi (C)</p> Signup and view all the answers

What is the name of the opening in the diaphragm through which the esophagus passes?

<p>Esophageal hiatus (A)</p> Signup and view all the answers

What is the primary function of the erector spinae muscle?

<p>To extend the vertebral column (B)</p> Signup and view all the answers

Which muscle is responsible for producing a 'winging' of the scapula?

<p>Pectoralis Minor (B)</p> Signup and view all the answers

What is the origin of the latissimus dorsi muscle?

<p>Spines T7-L5, ribs 9-12, and iliac and sacral crests (A)</p> Signup and view all the answers

What is the insertion of the pectoralis major muscle?

<p>Greater tubercle of the humerus (A)</p> Signup and view all the answers

What is the origin of the Short Head of the Biceps Brachii muscle?

<p>Coracoid process (A)</p> Signup and view all the answers

Which muscle is responsible for flexion, lateral rotation, and abduction of the hip?

<p>Iliopsoas Muscle (C)</p> Signup and view all the answers

What is the insertion of the Triceps Brachii muscle?

<p>Olecranon (D)</p> Signup and view all the answers

Which muscle is an example of a flexor of the hand and wrist?

<p>Tereres (B)</p> Signup and view all the answers

What is the origin of the Semitendinosus muscle?

<p>Ischial tuberosity (A)</p> Signup and view all the answers

Which muscle is responsible for producing a 'winging' of the scapula when paralyzed?

<p>Serratus Anterior (A)</p> Signup and view all the answers

What is the insertion of the Quadriceps Femoris muscle?

<p>Tibial tuberosity (A)</p> Signup and view all the answers

Which muscle is responsible for flexion of the elbow joint?

<p>Biceps Brachii (D)</p> Signup and view all the answers

What is the origin of the Gluteus Maximus muscle?

<p>Ilium (B)</p> Signup and view all the answers

Which muscle is an example of an extensor of the hand and wrist?

<p>Extensor Carpi Radialis (B)</p> Signup and view all the answers

What is the primary function of the triceps brachial muscle during elbow movement?

<p>Extension of the elbow (D)</p> Signup and view all the answers

What is the role of the antagonist muscle during a movement?

<p>Contracts to oppose the movement (C)</p> Signup and view all the answers

Which type of connective tissue connects muscles to bones?

<p>Tendons (D)</p> Signup and view all the answers

What is the characteristic of a muscle's origin?

<p>The point at which the muscle attaches to the bone (A)</p> Signup and view all the answers

Which muscle is responsible for lifting the chin and extending the neck?

<p>Sternocleidomastoid (A)</p> Signup and view all the answers

Which muscle is the widest back muscle?

<p>Latissimus Dorsi (A)</p> Signup and view all the answers

What is the primary function of the erector spinae muscle?

<p>Extension of the vertebral column (D)</p> Signup and view all the answers

Which muscle originates from the anterior abdominal wall and inserts on the linea alba?

<p>Rectus Abdominis (C)</p> Signup and view all the answers

What is the action of the pectoralis major muscle?

<p>Adduction of the shoulder joint (C)</p> Signup and view all the answers

What is the term used for the fibrous band that separates the right and left rectus abdominis muscles?

<p>Linea Alba (D)</p> Signup and view all the answers

Which of the following muscles is responsible for producing dorsiflexion and inversion of the foot?

<p>Tibialis Anterior (A)</p> Signup and view all the answers

Which compartment of the lower leg contains the Tibialis Anterior muscle?

<p>Anterior Compartment of Lower Leg (B)</p> Signup and view all the answers

What is the function of the muscle that runs obliquely between the Gastrocnemius and Soleus muscles?

<p>Plantar flexion of the foot (B)</p> Signup and view all the answers

Which muscle originates from the lateral condyle and proximal shaft of the tibia?

<p>Tibialis Anterior (A)</p> Signup and view all the answers

What is the result of the contraction of the Flexor Hallucis Longus muscle?

<p>Flexion of the big toe (B)</p> Signup and view all the answers

Which muscles plantar flex the foot at the ankle joint?

<p>Posterior Compartment muscles (D)</p> Signup and view all the answers

What is the characteristic of a muscle's insertion?

<p>Site that moves during the contraction (A)</p> Signup and view all the answers

What type of muscle tissue is both striated and voluntary?

<p>Skeletal muscle tissue (A)</p> Signup and view all the answers

What is the term used to describe the arrangement of muscles at a joint?

<p>Antagonistic (B)</p> Signup and view all the answers

What is the role of the prime mover muscle during a movement?

<p>To cause the desired movement (B)</p> Signup and view all the answers

What is the characteristic of a muscle's origin and insertion?

<p>Origin is typically more proximal and insertion is typically more distal (A)</p> Signup and view all the answers

What is the function of skeletal muscles in thermogenesis?

<p>To generate heat (A)</p> Signup and view all the answers

What is the action of the external intercostal muscles during inspiration?

<p>Elevate the ribs (A)</p> Signup and view all the answers

What is the origin of the internal oblique muscle?

<p>Iliac crest and thoracolumbar fascia (A)</p> Signup and view all the answers

What is the function of the diaphragm during breathing?

<p>It increases the dimension of the thoracic cavity (B)</p> Signup and view all the answers

Which muscle is responsible for flexing the vertebral column?

<p>Rectus abdominis (C)</p> Signup and view all the answers

What is the name of the opening in the diaphragm through which the inferior vena cava passes?

<p>Caval hiatus (C)</p> Signup and view all the answers

Which muscle originates from the xiphoid process and ribs 7-12?

<p>Rectus abdominis (D)</p> Signup and view all the answers

What is the function of the transversus abdominis muscle?

<p>It compresses the abdominal contents (D)</p> Signup and view all the answers

Which muscle is part of the rotator cuff?

<p>Teres minor (B)</p> Signup and view all the answers

What is the action of the internal intercostal muscles during forced expiration?

<p>They draw the ribs together (C)</p> Signup and view all the answers

Which muscle originates from the inferior border of the rib above and inserts on the superior border of the rib below?

<p>External intercostal (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser