Lecture 24

Question 1

What type of joint is the hip

How many DOF

What are they

Answer 1

Ball and socket

3

Flexion/extension
Abduction/adduction
Internal/external rotation

Question 2

How many strong ligaments in the hip joint

What are they

Answer 2

3

Iliofemoral

Pubofemoral

Ischiofemoral

Question 3

What movement does Iliofemoral ligament allow

Answer 3

Extension

External rotation

Question 4

What movement does Pubofemoral ligament allow

Answer 4

Abduction

Extension

External rotation

Question 5

What movement does Ischiofemoral allow

Answer 5

Internal rotation

Extension

Adduction

Question 6

What is a running related injury that affects the hip mechanics

Answer 6

Patellofemoral pain syndrome

Question 7

What causes patellofemoral pain syndrome

Answer 7

Increase hip adduction and internal rotation

Alters patellofemoral contact area

And increase loading on lateral patella

Question 8

What can gait retraining do

Answer 8

Reducing pain

Improving function

Question 9

What is the gait retraining schedule consist of

Answer 9

8 sessions

First 4 visits: Runtime and feeback time increase from 15 mins to 24 mins

Last 4 visits: Runtime increases to 30 mins while feedback time decreases to 3 min

Question 10

What is the shoulder complex made up of

Answer 10

3 joints

One articulation

Question 11

What are the joints in the shoulder complex

Answer 11

Acromioclavicular joint

Glenohumeral joint

Sternoclavicular joint

Question 12

What is the articulation in the shoulder complex

Answer 12

Scapulothoracic articulation

Question 13

The shoulder complex is capable of

Answer 13

Large ranges of motion

Question 14

The shoulder complex is subjected to

Answer 14

Large velocities, accelerations and forces

Question 15

The shoulder complex requires

Answer 15

Relatively weak ligament and bony constraints

Should to be stable and transfer forces from trunk to arm

Question 16

The mobility and stability in the shoulder complex are

Reason for this

Answer 16

On opposite ends

To achieve the competing demands, the 3 joints and articulation along with muscles play a key part in modulating stability and mobility of shoulder complex

Question 17

What is the rotator cuff

Answer 17

A group of muscles and tendons that keep the ball of upper arm bone in shoulder socket

Question 18

What muscles make up the rotator cuff

Answer 18

Supraspinatus

Infraspinatus

Teres minor

Subscapularis

Question 19

What is the single most common shoulder pathology

Answer 19

Shoulder impingement syndrome

Question 20

What is the common source of pain in the shoulder

Answer 20

Rotator cuff

Question 21

Shoulder impingement syndrome occurs when

Answer 21

The tendons in the shoulder are irritated inflamed or degenerated from repetitive overhead motions or structural abnormalilities in shoulder

Question 22

What is shoulder impingement syndrome related to

Answer 22

Shoulder bursitis

Rotator cuff tendonitis

Question 23

Where is shoulder impingement syndrome located

Answer 23

Between head of humerus and the top of shoulder blade

Question 24

What are the potential causes of shoulder impingement syndrome

Answer 24

Acute trauma to the shoulder resulting in inflammation

Chronic repetitive overhead activity

Small space for rotator cuff tendons beneath the acromion

Muscle imblance, fatigue of shoulder muscles during prolonged overhead activities

Question 25

What are the postures and motions that contribute to risk of shoulder impingement syndrome

Answer 25

Partial abduction - sustained for a long period of time

Internal/external rotations - dynamic, repetitive motions, with shoulder in abducted pose