LAB 6 - Joints and Muscles

Question 1

What 2 bones make up the should joint and what is their features that articulate?

Answer 1

Hemispherical head of humerus articulates with glenoid cavity of scapula.

Question 2

What is the groove called that a large muscle tendon passes over underneath the humerus?

Answer 2

intertubercular sulcus.

Question 3

Where does the tendon come from that is under the humerus what why is it important?

Answer 3

from the biceps brachii

important stabilizer of the shoulder

Question 4

On what bone do rotator muscles originate and insert within the shoulder?

Answer 4

Originate = scapula
Insert = humerus

Question 5

What muscle is present on the anterior surface of the scapula, inferior to the corocoid process?

Answer 5

subscapularic

Question 6

What rotator cuff muscle is in between your thumb and fingers?

Answer 6

supraspinatus

Question 7

What is the action of the supraspinatus rotator cuff muscle?

Answer 7

Aids deltoid in abduction of arm;

resists downward slippage of humeral head when arm is relaxed or carrying weight.

Question 8

What muscle is superficial to the supraspinatus rotator cuff muscle and is palpable between tour thumb and fingers?

Answer 8

Trapezius

Question 9

What is the action of the deltoid muscle?

Answer 9

anterior fibers flex and medially rotates arm;
lateral fibers abduct arm;
posterior fibers extend and laterally rotate arm

Question 10

What two bones articulated to form the knee joint?

Answer 10

tibia and femur

Question 11

What tendon covers the patella?

Answer 11

quadriceps femoris tendon

Question 12

What is the same piece CT between the patella and the tibia?

Answer 12

Patella ligament

Question 13

What is the bone feature of the tibia to which the patella ligament inserts?

Answer 13

tibial tuberosity

Question 14

What is the lateral ligament that stabilizes the knee?

Answer 14

fibular collateral ligament

Question 15

What is the lateral ligament that stabilizes the knee?

Answer 15

tibial ligament

Question 16

What is the name of the ligament that attaches the anterior tibia with the posterior femur?

Answer 16

anterior cruciate ligament

Question 17

What is the name of the ligament that attaches the posterior tibia with the anterior femur?

Answer 17

posterior cruciate ligament

Question 18

What bone features are the origins of the gastrocnemius?

Answer 18

epicondyles

Question 19

What are the structures that provide cushion between the tibia and femur?

Answer 19

medial and lateral meniscus

Question 20

Name the Movement:

bending are so fingers touch shoulder

Answer 20

Flexion of he elbow

Question 21

Name the Movement:

straightening arm

Answer 21

Extension of elbow

Question 22

Name the Movement:

moving thigh laterally away from the midline

Answer 22

abduction of the coxal joint

Question 23

Name the Movement:

bringing thigh back to midline

Answer 23

adduction of the coxal joint

Question 24

Name the Movement:
turning thigh out so the knee moves to the side.
what is the movement of the hip?

Answer 24

lateral (external) rotation of coxal joint

Question 25

Name the Movement:
Turning thigh back in
what is the movement of the hip?

Answer 25

medial (internal) rotation of coxal joint

Question 26

Name the Movement:

tilting head so that ear touches shoulder

Answer 26

lateral flexion of tempromandibular joint

Question 27

Name the Movement:

tilting head forward so chin touches chest

Answer 27

flexion of temporomandibular joint

Question 28

Name the Movement:

straightening head back to the midline

Answer 28

extention of temporomandibular joint

Question 29

Name the Movement:

bending head backwards

Answer 29

hyperextension of temporomandibular joint

Question 30

Name the Movement:

hold arm out and make a circle with the whole arm

Answer 30

circumduction of glenohumeral joint

Question 31

Name the Movement:

turning palms forward

Answer 31

supination of wrist

Question 32

Name the Movement:

turning palms backward

Answer 32

pronation of wrist

Question 33

Name the Movement:

raising toes toward face

Answer 33

dorsiflexion of ankle

Question 34

Name the Movement:

pointing toes away from face

Answer 34

plantar flexion of ankle

Question 35

Name the Movement:

turning soles outward

Answer 35

eversion of ankle (talocrural joint)

Question 36

Name the Movement:

Turning soles inward

Answer 36

inversion of ankle (talocrural joint)

Question 37

Name the Movement:

raising shoulders towards ears

Answer 37

eversion of shoulders

Question 38

Name the Movement:

lowering shoulders below normal position

Answer 38

depression of shoulders

Question 39

Name the Movement:

moving finger in a circle

Answer 39

circumduction of finger