Tutorials 5+

Question 1

Iliofemoral Joint

Answer 1

• Synovial ball and socket
• Connects pelvic girdle to lower limb
• Designated for weight bearing
• Most stable joint in the body

Question 2

How is stability achieved in iliofemoral joint?

Answer 2

• Depth of acetabulum
• Femoral head coverage
• Strong ligamentous structure/joint capsule

Question 3

Iliofemoral ligament

Answer 3

• Taut in extreme extension, external rotation and adduction
• Strongest ligament in the body

Question 4

Pubofemoral Ligament

Answer 4

• Taut in extreme abduction and extension

Question 5

Ischiofemoral Ligament

Answer 5

Taut in internal rotation and adduction

Question 6

Iliofemoral joint movements degrees

Answer 6

• Flexion (120-145°)
• Extension (10-30°)
• Abduction (45-50° with hip flexed)
• Adduction (20-30°)
• Internal rotation (35° at 90° flexion)
• External rotation (45° at 90° flexion)

Question 7

What muscles contribute to iliofemoral joint flexion?

Answer 7

• Psoas
• Iliacus
• Rectus femoris

Question 8

What muscle is this?

Answer 8

Psoas

Question 9

What muscle is this?

Answer 9

Iliacus

Question 10

What muscle is this?

Answer 10

Rectus femoris

Question 11

What muscles contribute to iliofemoral joint extension?

Answer 11

• Gluteus Maximus
• Hamstrings ( semimembranosus, semitendinosus, biceps femoris)
• Adductor magnus

Question 12

What muscle is this?

Answer 12

Gluteus maximus

Question 13

What muscle is this?

Answer 13

Adductor Magnus

Question 14

What muscles contribute to iliofemoral joint abduction?

Answer 14

• Gluteus medius
• Gluteus minimus
• Tensor fascia latae (TFL)

Question 15

What muscle is this?

Answer 15

Gluteus medius

Question 16

What muscles is this?

Answer 16

Gluteus Minimus

Question 17

What muscle is this?

Answer 17

Tensor Fascia Latae

Question 18

What muscles contribute to iliofemoral joint Adduction?

Answer 18

• Adductor magnus
• Adductor longus
• Adductor brevis

Question 19

What muscle is this?

Answer 19

Adductor magnus

Question 20

What muscle is this?

Answer 20

Adductor longus

Question 21

What muscle is this?

Answer 21

Adductor brevis

Question 22

What muscles contribute to iliofemoral joint internal rotation?

Answer 22

• Gluteus medius
• Gluteus minimus

Question 23

What muscles contribute to iliofemoral joint External Rotation

Answer 23

• Piriformis
• Gluteus Maximus
• Obturator internus
• Gemelli superior & inferior
• Quadratus femoris

Question 24

What muscle is this?

Answer 24

Piriformis

Question 25

What muscle is this?

Answer 25

Obturator internus

Question 26

What muscle is this?

Answer 26

Quadratus femoris

Question 27

What joint is this?

Answer 27

Glenohumeral Joint

Question 28

Glenohumeral Joint:

Answer 28

- Synovial, Ball and socket joint - One of the most mobile joints in the human body

Question 29

Glenohumeral Joint ROM

Answer 29

Flexion – 180° Extension – 60° Internal rotation – 90° External rotation – 90° Abduction - 150° Adduction - 45° (when you cross in front of your body)

Question 30

What muscles contribute to glenohumeral flexion?

Answer 30

- Pectoralis major - Long head of biceps brachii - Coracobrachialis - Deltoid

Question 31

What muscle is this?

Answer 31

Pectoralis Major

Question 32

What muscle is this?

Answer 32

Coracobrachialis

Question 33

What muscle is this?

Answer 33

Deltoid

Question 34

What muscle is this?

Answer 34

Long head of biceps brachii

Question 35

What muscles contribute to glenohumeral extension

Answer 35

- latissimus dorsi - Long head of triceps brachii - Deltoid (posterior fibres) - Teres major

Question 36

What muscle is this?

Answer 36

Latissimus Dorsi

Question 37

What muscle is this?

Answer 37

Long head of Triceps Brachii

Question 38

What muscle is this?

Answer 38

Deltoid (posterior fibers)

Question 39

What muscle is this?

Answer 39

Teres Major