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Flashcards in Joints Deck (22)
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1
Q

What are the 5 anatomical position checks?

A
Standing upright
Head facing forward
Palms facing forward, fingers together
Heels together, toes directed anteriorly
In males, erect penis
2
Q

Define superior.

A

Towards the head

3
Q

Define inferior

A

Towards the feet

4
Q

Define Medial

A

Towards the midline

5
Q

Define lateral

A

Away from the midline

6
Q

Define Posterior

A

Towards the back

7
Q

Define anterior

A

Towards the front

8
Q

Define proximal

A

Towards the origin of the trunk

9
Q

Define distal

A

Away from the origin of the trunk

10
Q

Define a joint

A

Union between two or more rigid components i.e bone and cartilage.

11
Q

Joints are needed for ______ and ______.

A

Movement, growth

12
Q

Give 3 features of fibrous joints.

A

Dense, connective tissue
High tensile strength
Little movement in adults

13
Q

What are the 2 types of cartilaginous joints?

A

Synchondroses (primary)

Symphyses (secondary)

14
Q

Define synchondroses.

A

Allow for bone growth. Disappear in adults and have no movement.

15
Q

Define symphyses.

A

Do not ossify with age, found in midline and have limited movement.

16
Q

Where is fibrocartilage found?

A

Intervertebral discs

17
Q

Where is hyaline cartilage found?

A

Articular cartilage

18
Q

Give 3 features of synovial joints.

A

Greatest movement
Contain synovial cavity, articular cartilage, fibrous capsule and synovial membrane
Can also contain articular discs, ligaments and bursae

19
Q

What is bursae?

A

Fluid filled sack where there is a high risk of friction.

20
Q

How are joints kept stable?

A

By the shape of articulating surfaces, fibrous capsules, ligaments and muscles.

21
Q

Define anastomoses

A

Cross connection between adjacent channels tubes, fibres etc.

22
Q

What does Hilton’s law state?

A

The nerve supplying the muscle that crosses a certain joint must also innervate this joint.