1.1.7 Major muscles in the human body

• What are two internal organs supported and protected by the musculoskeletal system?

  Heart and lungs
• The deltoids are located in the arm
• The calves are located in the leg
• Match the anatomical region with its major muscle groups:

  Head & Neck ↔️ Sternocleidomastoid, Trapezius

  Trunk ↔️ Rectus abdominis, Obliques, Erector spinae

  Upper Limbs ↔️ Biceps, Triceps, Deltoids

  Lower Limbs ↔️ Quadriceps, Hamstrings, Calves
• What are two major muscles located in the head and neck region?

  Sternocleidomastoid and Trapezius
• The biceps are located in the upper limbs.
• The major muscles in the head and neck include the sternocleidomastoid and the trapezius.
• Which muscle groups are located in the upper limbs?

  Biceps, triceps, deltoids
• Arrange the following anatomical regions in the correct order from top to bottom:

  1️⃣ Head & Neck

  2️⃣ Trunk

  3️⃣ Upper Limbs

  4️⃣ Lower Limbs
• The musculoskeletal system provides movement through the contraction and relaxation of muscles.
• Which minerals are stored in the bones of the musculoskeletal system?

  Calcium and phosphorus
• The back muscles include the trapezius and the latissimus dorsi.
• What are the major muscle groups in the arm?

  Biceps, triceps, deltoids
• The major muscle groups work together as part of the musculoskeletal system to provide movement, support, and protection for the body.


  True
• Arrange the following leg muscles from the front of the leg to the back:

  1️⃣ Rectus femoris

  2️⃣ Vastus lateralis

  3️⃣ Biceps femoris

  4️⃣ Gastrocnemius
• The leg muscles enable walking, running, and jumping through flexion and extension of the leg.
• Leg muscles enable walking, running, and jumping through flexion and extension of the leg.


  True
• What is the primary role of back muscles?

  Extend and rotate the spine
• Arm muscles allow us to lift objects and reach overhead
• Which muscle groups are involved in throwing a ball?

  Arm muscles, back muscles
• The primary functions of the musculoskeletal system

  1️⃣ Provide movement

  2️⃣ Support and protect internal organs

  3️⃣ Store minerals
• Head and neck muscles are involved in facial expressions, chewing, and head movement.


  True
• What are the major muscle groups in the Head & Neck region?

  Sternocleidomastoid, Trapezius
• Understanding regional categories is essential for grasping the integrated functions of the musculoskeletal system.


  True
• Match the anatomical region with its major muscle groups:

  Head & Neck ↔️ Sternocleidomastoid, Trapezius

  Trunk ↔️ Rectus abdominis, Obliques, Erector spinae

  Upper Limbs ↔️ Biceps brachii, Triceps brachii, Deltoids

  Lower Limbs ↔️ Quadriceps, Hamstrings, Calves
• What are the primary functions of arm muscles such as the biceps, triceps, and deltoids?

  Flexion, extension, rotation
• Abdominal muscles provide core stability and support for the trunk.

  True
• What are some examples of everyday movements that rely on major muscle groups working together?

  Throwing a ball, climbing stairs
• Chest muscles facilitate arm movement and breathing through flexion and extension of the shoulder.


  True
• Climbing a ladder involves both arm muscles and leg muscles.
• Leg muscles include the quadriceps, hamstrings, and calves.
• What are the two main components of the musculoskeletal system?

  Muscles and bones
• The musculoskeletal system provides movement through the contraction and relaxation of muscles
• The quadriceps are located in the arm.

  False
• The obliques are part of the abdominal muscles.


  True
• Which two muscles are located in the chest?

  Pectoralis major and minor
• The biceps are located in the arm.


  True
• What are three functions of the musculoskeletal system?

  Movement, support, mineral storage
• The musculoskeletal system provides movement through the contraction and relaxation of muscles
• What are the major muscle groups categorized by in the human body?

  Anatomical region