Four important synovial joints

Question 1

Elbow joint

Answer 1

1) Is a hinge joint
2) Articulating bones are humerus, radius and ulna.
3) Allows bending (flexion) and straightening (extension).
4) Muscles which move the elbow are biceps and triceps.

Question 2

Knee joint

Answer 2

1) Is a Hinge joint.
2) Articulating bones are femur and tibia (the patella is not classed as part of the joint, nor is the fibula).
3) Allows bending (flexion) and straightening (extension).
4) Muscles which move the knee are quadriceps and hamstrings.

Question 3

Hip joint

Answer 3

1) Is a Ball and socket joint
2) Articulating bones are pelvis and femur (head of femur is ‘ball’ and cup in pelvis is ‘socket’)
3) Allows a large range of movement in all directions
4)Many muscles are used to moving the hip joint, including the gluteals.

Question 4

Shoulder joint

Answer 4

1) Is a ball and socket joint
2) Articulating bones are humerus and scapula (the clavicle is not part of the shoulder joint).
3) Allows a great range of movement in all directions.
4) Many muscles are used to move the shoulder joint, including the deltoid, trapezius and latissimus dorsi.