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Core 2: The body in motion. Focus Question 1: How do the musculoskeletal and cardiorespiratory systems of the body influence and respond to movement?.

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core 2 the body in motion

Core 2: The body in motion

Focus Question 1: How do the musculoskeletal and cardiorespiratory systems of the body influence and respond to movement?

slide2

Students learn about: skeletal systemStudents learn to: identify the location and type of major bones involved in movement, eg long bones articulate at hinge joints for flexion and extension.

  • Major bones involved in movement:
types of synovial joints
Types of synovial joints
  • Gliding joints: side-to-side or back-and-forth movements usually across flat surfaces.

Example: between carpals and tarsals

  • Hinge joints: the convex curve of one bone fits into the concave surface of the other. Movement in one plane.

Example: elbow and knee joints.

  • Pivot joint: primary movement is rotation. The rounded/pointed surface of one bone joins with the depression of another bone.

Example: between atlas and axis, or at the proximal end of the radius and ulna.

synovial joints cont
Synovial joints cont
  • Ellipsoid joint: oval-shaped condyle of one bone fits into the elliptical depression of another. Movement in two planes.

Example: joints between metacarpals and phalanges.

  • Saddle joint: one bone is saddle-shaped and the other bone sits like a rider.

Example: carpal and metacarpal of the thumb.

  • Ball and socket joint: one round ball joint fits into a cup-like depression of another.

Example: shoulder and hip joint