5 The muscular system Flashcards
(12 cards)
1
Q
Muscle pairs and muscles
A
- Bicep and tricep
- Quadriceps and hamstring
- Tibialis anterior and gastrocnemius
- Hip flexors and gluteals
- Deltoid and latissimus dorsi
- Pectorals
- Rotator cuffs
- Abdominals
2
Q
Synovial membrane
A
Produces synovial fluid
3
Q
Synovial fluid
A
Lubricates the joint allowing the parts to move freely
4
Q
Joint capsule
A
Stabilises joint
5
Q
Cartilage
A
Prevents the end of bones rubbing together at joints
6
Q
Ligament
A
Elastic fibres that link bones to bones
7
Q
Ball and socket joint
A
- The rounded end of a bone fits inside a cup-shaped end.
- Shoulder and hips
- Allow movement in all directions
8
Q
Hinge joints
A
- Forwards and backwards movements
- Knee and elbow
9
Q
Flexion and extension
A
Flexion - DECREASING the angle at a joint (bending the joint)
Extension - INCREASING the angle at a joint (straightening the joint)
10
Q
Abduction and adduction
A
- Determined from the midline of the body
- Abduction: Moving limb towards midline of the body
- Adduction: Moving limb away from midline of the body
11
Q
Circumduction of the shoulder
A
Joint moves in a circular motion, e.g. bowling in cricket
12
Q
Plantar and Dorsi-flexion
A
Plantar: Pointing toes away from body
Dorsi: Pointing toes towards body