A&P Quiz 7 Flashcards Preview

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Flashcards in A&P Quiz 7 Deck (44)
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1

Which head of BICEPS FEMORIS is the DEEPEST?

Short Head

2

What are the Hamstring muscles?

Lateral: Biceps Femoris
Middle: Semitendinosus
Medial: Semimembranosus

3

What is the origin/proximal of biceps femoris

LH: Ischial Tuberosity (superficial)
SH: Linea Aspera (deepest)

4

What is the Insertion/Dorsal of Biceps Femoris

Head of Fibula

5

What are the Actions of Biceps Femoris

Both heads:
Flexion of the knee (tibiofemoral joint)
LH: Extension of the hips (Acetabulofemoral joint)

6

Origin/Proximal of Semitendinosus

Ischial Tuberosity

7

Semitendinosus is attached to the

“goose foot” - Pes Anserinus

8

Insertion/Dorsal of Semitendinosus

The proximal shaft of the Anterior Tibia - Pes Anserines

9

What is the Origin/Proximal of Semimembranosus

Ischial Tuberosity

10

Insertion/Dorsal of Semimembranosus

Posterior aspect of the medial condyle of the Tibia

11

Sarcolemma

Plasma membrane of a muscle fiber

12

Where are the myofilaments located

Inside the myofibril

13

What is one of the 1st steps of muscle fiber contraction (EXCITATION)

ACh is released and floods the synaptic cleft NMJ

14

What is Eccentric Isotonic Contraction

Movement that results in LENGTHENING of the muscle fibers

15

Know where the Spinous Process of a Vertebra is

Center spiny protrution

16

Know where the Transverse Process is located on a vertebra

Sides - angled protrusions

17

Know the sections of the hip bone

Ilium
Iliac Crest
Ischium
Ischial Tuberosity
Pubis

18

What is the valley between the Spinous Process and the Transverse Processes

The Lamina Groove

19

How many heads does Triceps Brachii have?

3

20

Which head of Triceps Brachii EXTENDS the shoulder?

LH

21

Intercellular fluid INSIDE the cells is called

Cytosol

22

What is the Origin/proximal of Coracobrachialis?

The Coracoid Process

23

The anterior fibers of Deltoid perform what action at the shoulder?

Medial rotation AND flexion

24

What action do the middle fibers of Deltoid perform at the shoulder?

Abduction

25

What rotation does the posterior deltoid do at the shoulder?

Lateral rotation

26

Posterior fibers of Deltoid have what action in the Saggital Plane

Extension

27

What whole body COMMUNICATING Network communicates mechanical information?

Fibrous Network

28

What muscle does Teres Minor work with?

Infraspinatus

29

Origin of Teres Minor

Upper 2/3 of the lateral border of scapula

30

Insertion/Dorsal of Teres Minor

Greater Tubercle of Humerus