Musculoskeletal Anatomy Flashcards Preview

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Flashcards in Musculoskeletal Anatomy Deck (34)
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0
Q

Which bone is the first to begin ossification?

A

Clavicle (also last to completely ossify)

1
Q

Intra-cartilaginous ossification includes ALL long bones except the _______?

A

Clavicle

2
Q

Zygapophyseal & acromio-clavicular are examples of what type of synovial joint?

A

Gliding (planar)

3
Q

The 1st carpo-metacarpal joint is considered what?

A

Saddle (sellar)

4
Q

In general, the articular surfaces of all synovial joints are covered by _____ ______?

A

Hyaline cartilage

5
Q

What connects Haversian canals w/in bone?

A

Volkmann’s canals (supply nutrients and remove waste)

6
Q

What part of cartilage has blood vessels?

A

outer layer called the Perichondrium

7
Q

What are the 3 types of cartilage?

A
  1. Hyaline (most abundant)
  2. Elastic
  3. Fibrocartilage
8
Q

Individual muscle fibers are surrounded by connective tissue called?

A

endomysium

9
Q

What muscles are responsible for elevation of the temporomandibular joint? (Jaw)

A

temporalis, masseter, medial pterygoid

10
Q

What muscles are responsible for depression of the temporomandibular joint?

A

mylohyoid, digastric, lateral pterygoid

-Also realize that gravity plays a role

11
Q

Innervation of the glenohumeral (shoulder) joint?

A

Axillary and suprascapular nerves

12
Q

Abduction of the shoulder is initiated by ______ muscle and completed by the ________ muscle?

A

Supraspinatus (0-15 degrees)

Deltoid (15-90 degrees)

13
Q

Whats the innervation to the sternoclavicular joint?

A

Medial branch of the supraclavicular nerves (C3) and nerve to subclavius

14
Q

What muscles act to flex the elbow joint?

A

Biceps brachii, brachialis, brachioradialis

15
Q

What muscles act to extend the elbow joint?

A

Triceps and anconeus

16
Q

Innervation to the elbow joint?

A

Radial and musculocutaneous nerves

17
Q

The wrist joint is technically between what bones?

A

Distal end of radius, scaphoid, and lunate bones

18
Q

The carpal bone that’s involved in the 1st carpometacarpal joint is the _____?

A

Trapezium

19
Q

What hip ligament contains the central foveolar artery?

A

Round ligament of the head of the femur- in children only (absent in adults)

20
Q

What muscle controls medial rotation in the knee joint?

A

Popliteus

21
Q

What is the job of the ACL and PCL?

A

Prevent anterior and posterior movement of the tibia on the femur, respectively

22
Q

Which of the menisci attach’s to a collateral ligament in the knee?

A

Medial meniscus

23
Q

What nerve supply’s the tibiofibular joint?

A

Deep peroneal nerve (deep fibular)

24
Q

Does inversion and eversion occur at the ankle joint?

A

No (only dorsiflexion and plantarflexion)

25
Q

What 4 male reproductive parts arise from the Wolffian (mesonephric duct)?

A

Seminal vesicle, Epididymis, Ejaculatory duct, & Ductus deferens
S.E.E.D.

26
Q

Sperm mature in the ________ and are then stored in the ________?

A

Epididymis, Ductus deferens

27
Q

The corpora of the penis are enclosed within a fibrous sheath known as?

A

Buck’s fascia

28
Q

What nerves innervate the penis?

A

Pudendal nerve (penile branch) and pelvic splanchnic nerves S2, 3, and 4

29
Q

The Fallopian tubes are lined with what kind of cells?

A

Ciliated columnar epithelium

30
Q

The ovaries are supplied by the ovarian artery which is a branch of what?

A

Abdominal aorta at L2 level

31
Q

What is the Broad Ligament?

A

A double layer of peritoneum that covers the uterus and the uterine tubes like a sheet

32
Q

The part of the broad ligament that contains the uterine tube is called?

A

Mesosalpinx

33
Q

What is the subpubic angle in males compared to females?

A

Males- 45 degrees

Females- 85 degrees