1.1a - Type Of Movement Flashcards
What are the 5 functions of the skeleton?
1) Shape and Support
2) Movement
3) Protection
4) Production
5) Storage
What are the 3 classifications of joints?
1) Hinge
2) Ball and Socket
3) Synovial Joint
What are examples of a Hinge Joint?
- Elbow
* Knee
What are examples of Ball and Socket joints?
- Hip
* Shoulder
What are Synovial Joints?
Freely movable joints, covered in cartilage, connected by a joint capsule, and lined with synovial fluid.
What are examples of Synovial Joints?
- Hip
- Shoulder
- Ball and Socket Joints
What are the 6 joint movements?
1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Rotation
6) Circumduction
What is flexion?
Decreasing the angle at a joint (bending)
What is extension?
Increasing the angle at a joint
straightening
What is Adduction?
Limbs moving towards the midline of the body.
What is Abduction?
Limbs moving away from the midline of the body.
What is Rotation?
A twisting/turning action around a joint.
What is Circumduction?
A combination of flexion, extension, adduction, and abduction
What is an Extension sporting example?
Throwing a shot put
What is a Flexion sporting example?
Bicep Curl
What is an Adduction sporting example?
Breast Stroke in Swimming
What is and Abduction sporting example?
Jumping Jack
What is a Rotation sporting example?
- Drive Shot in Golf
- Pirouette
What is a Circumduction sporting example?
Cricket Bowl
What do Ligaments do?
B2B
Bone to Bone
What do Tendons do?
M2B
Muscle to Bone
What does cartilage do?
- Reduces friction at a joint
(Hyaline Cartilage) - Absorbs shock at a joint
(White Fibro-cartilage)