1.2 Skeletal System Flashcards
List the five Skeletal System Functions
Body movement, protection, framework, mineral storage and production of red blood cells
List 6 bones in the arm
Humerus, Radius, Ulna, Carpals, Metacarpals, Phlanges
List 7 bones in the leg
Femur, Patella, Fibula, Tibia, Tarsals, Metatarsals, Phlanges
List 5 bones in the trunk / shoulder
Ribs, vertebrae, sternum, clavicle, scapula
List the 3 components of a joint
Cartilage, Ligaments and tendons.
Outline Cartilage
Smooth slightly elastic. Protects bones by absorbing impact force
Smooth slightly elastic. Protects bones by absorbing impact force - Describes what connective tissue
Cartilage
Outline Tendons
Inelastic and very strong. Allow movement by attaching muscle to bones
Inelastic and very strong. Allow movement by attaching muscle to bones - Describes what connective tissue
Tendons
Outline Ligaments
Joins bone to bone, cross over joints, Slightly elastic, Provide stability at joint to assist in prevent dislocation.
Joins bone to bone, cross over joints, Slightly elastic, Provide stability at joint to assist in prevent dislocation - Describes what connective tissue
Ligaments
List the 3 types of Joint Classifications
Fibrous, Cartilaginous, Synovial
Fibrous, Cartilaginous and Synovial are all types of what?
Joints
Outline Fibrous joints
Bones are bound by a tough fibrous tissue. They are fixed and immovable. For example
What type of joints are bound by a tough fibrous tissue. They are fixed and immovable.
Fibrous
Give an example of a Fibrous Joints
The skull, pelvis and sacrum.
The skull, pelvis and sacrum are examples of what type of joints?
Fibrous Joints
Outline Cartilaginous joints
Bones that are entirely joined by cartilage. More moveable than fibrous.
What type of joints are charaticterised by bones that are entirely joined by cartilage and are aslightly moveable
Cartilaginous
Ribs / sternum are examples of what types of joint?
Cartilaginous
Give an example of a Cartilaginous Joint
Ribs / sternum
Outline Synovial Joints
Fluid-filled joint cavity contained within a fibrous capsule. They are freely movable and are the most common type of joint found in the body.
What type of joints are charaticterised by a Fluid-filled joint cavity contained within a fibrous capsule and arefreely movable
Synovial Joints
List the 2 types of Synovial Joints
Ball and Socket, hinge
Ball and Sockets, hinge are types of what Joint
Synovial Joints
Outline Ball and Socket joints
Can move in all directions
What type of Synovial Joint can move in all directions
Ball and Socket
Give an example of a Ball and Socket Joint
Hip and Shoulder joints
Hip and Shoulder Joints are examples of what kind of Synovial Joint
Ball and Sockets
Outline Hinge Joints
Backwards and forwards movements (flexion/extension).
Backwards and forwards movements (flexion/extension). Are the only movements possible in what type of joint?
Hinge
Give two examples of a hinge joint
Eg Elbow knee
Elbow and knee are examples of what type of synovial joint
Hinge