LABS 8,9: Synovial Joints, Actions

Question 1

Articulating bones of the:

Glenohumeral joint (Shoulder)

Answer 1

Scapula,

Humerus

Question 2

Actions of the:

Tibiofibulotalar joint (ankle)

Answer 2

plantar flexion,

dorsiflexion

Question 3

Answer 3

Question 4

Answer 4

Radius

Question 5

Name for the:

Knee

Answer 5

Tibiofemoral joint

Question 6

Fluid-filled space between articulating bones.

Answer 6

Synovial Cavity

Question 7

flexion

Answer 7

Decreases angle from “zero point” (anatomical position).

Question 8

plantar flexion

Answer 8

“toes down” rotation at the ankle

plantar flexion: downard like planting seeds

Question 9

Answer 9

Question 10

Prime Mover

Answer 10

The contracting muscle of an action.

Also Agonist​.

Question 11

Antagonist

Answer 11

The muscle that relaxes and stretches while performing an action.

Question 12

extension

Answer 12

Increases/Returns angle to“zero point” (anatomical position).

Question 13

Alternate name for:

Diarthroses

Answer 13

Synovial Joint

Question 14

Muscles included in:

hamstrings

Answer 14

includes:
semimembranosus
semitendinosus
biceps femoris

Question 15

Muscles included in:

quadriceps femoris group

Answer 15

includes:
vastus lateralis
vastus intermedius
vastus medialis

Question 16

Name for the:

Shoulder

Answer 16

Glenohumeral joint

Question 17

Answer 17

Tibiofibulotalar Joint

i. fibula
ii. tibia
iii. talus

Question 18

Bone spins on its axis.

Answer 18

Rotation

Lateral Rotation: away from midline

Medial Rotation: towards midline

Question 19

Answer 19

Humerus

Question 20

The contracting muscle of an action.

Answer 20

Primer Mover.

Agonist.

Question 21

Name for the:

Ankle

Answer 21

Tibiofibulotalar joint

Question 22

Answer 22

Tibiofemoral Joint

1. Femur
2. Tibia

Question 23

dorsiflexion

Answer 23

“toes up” rotation at the ankle

dorsiflexion: upward like a dorsal fin

Question 24

Opposing Pair

Answer 24

Two muscles arranged around a joint such that one contracts while the other relaxes.

Question 25

Answer 25

Question 26

**rotation** at the **ankle**

Answer 26

dorsiflexion: upward like a dorsal fin plantar flexion: downard like planting seeds

Question 27

Answer 27

Question 28

# Name for the: Tibiofemoral joint

Answer 28

Knee

Question 29

joint action in a **cone**-like pivot

Answer 29

Circumduction "windmill windup for a throw" Combination of abduction/adduction and flexion/extension.

Question 30

# Actions of the: Humeroulnar joint (elbow)

Answer 30

Extension, Flexion,

Question 31

Agonist

Answer 31

The **contracting muscle** of an action. Also **Prime Mover**​.

Question 32

Rotation in frontal plane **towards midline**.

Answer 32

adduction Your fingers **add** up to 10 when you bring them **together**!

Question 33

# Muscles of the: Tibiofibulotalar joint (ankle)

Answer 33

tibialis anterior, gastrocnemius

Question 34

# Name for the: Tibiofibulotalar joint

Answer 34

Ankle

Question 35

Rotation in frontal plane **away from midline**.

Answer 35

abduction To **ab**duct someone is to take them **away**!

Question 36

# Name for the: Humeroulnar joint

Answer 36

Elbow

Question 37

Answer 37

Ulna

Question 38

Answer 38

Question 39

# Muscles of the: Tibiofemoral joint (knee)

Answer 39

Quadriceps femoris group, Hamstrings

Question 40

# Articulating bones of the: Tibiofemoral joint (knee)

Answer 40

Tibia, Femur

Question 41

# Actions of the: Tibiofemoral joint (knee)

Answer 41

Extension, Flexion,

Question 42

# Articulating bones of the: Humeroulnar joint (elbow)

Answer 42

Ulna, Humerus

Question 43

Medial Rotation

Answer 43

Bone **spins** on its axis **towards** midline.

Question 44

# Muscles of the: Glenohumeral joint (Shoulder)

Answer 44

Deltoid Biceps brachii, Triceps brachii

Question 45

# Articulating bones of the: Tibiofibulotalar joint (ankle)

Answer 45

Tibia, Fibula, Talis

Question 46

# Name for the: Elbow

Answer 46

Humeroulnar joint

Question 47

The muscle that relaxes and stretches while performing an action.

Answer 47

Antagonist

Question 48

adduction

Answer 48

Rotation in frontal plane **towards midline**. Your fingers **add** up to 10 when you bring them **together**!

Question 49

abduction

Answer 49

Rotation in frontal plane **away from midline**. To abduct someone is to take them away!

Question 50

Answer 50

Question 51

# Actions of the: Glenohumeral joint (Shoulder)

Answer 51

Extension, Flexion, Medial/Lateral Rotation, Abduction, Adduction, Circumduction

Question 52

Answer 52

Question 53

Lateral Rotation

Answer 53

Bone **spins** on its axis **away** from midline.

Question 54

Synovial Cavity

Answer 54

**Fluid-filled space** between articulating bones.

Question 55

# Name for the: Glenohumeral joint

Answer 55

Shoulder

Question 56

Circumduction

Answer 56

joint action in a **cone**-like pivot "windmill windup for a throw" Combination of abduction/adduction and flexion/extension.

Question 57

Answer 57

Carpals Metacarpals & Phalanges

Question 58

Increases/**Returns** angle **to**"zero point" (anatomical position).

Answer 58

Increases/**Returns** angle **to**"zero point" (anatomical position).

Question 59

Two muscles arranged around a joint such that one contracts while the other relaxes.

Answer 59

Opposing Pair

Question 60

# Alternate name for: Synovial Joint

Answer 60

Diarthroses Di arth roses

Question 61

**Decreases angle** from "zero point" (anatomical position).

Answer 61

flexion

Question 62

# Muscles of the: Humeroulnar joint (elbow)

Answer 62

Biceps brachii, Triceps brachii