Ch.2 Anatomy & Physiology (Muscles Of Shoulder & Arms)

Question 1

What is the trapezius muscle?

Answer 1

Covers back of neck, shoulders, upper & middle region of back.

Shrugs shoulders stabilizes scapula

Question 2

What is the biceps?

Answer 2

2 part muscle contours front and inner side of upper arm. Lifts forearm, flex elbows, turns palm outward.

Question 3

What is the Deltoid muscle?

Answer 3

Triangular shape covering shoulder joint allowing arm to extend outward and to the sides of body.

Question 4

What is the triceps muscle?

Answer 4

Large 3 part muscle that covers the entire back of the upper arm and extends the forearm.

Question 5

Describe the hand & its muscles?

Answer 5

The hand One of the most complex parts of the body. Many muscles overlap from joint to joint providing flexibility & strength to open and close hand & fingers.

Question 6

What is abduction?

Answer 6

Think TAKING AWAY FROM :

Muscles that draw parts away from the body or extremities. Ex fingers, arm, toe.
Abduction separates fingers

Question 7

What is adduction?

Answer 7

Muscles drawing body parts towards the body or bringing together. Such as fingers

Question 8

What is flexion?

Answer 8

When muscles move to pull the part towards the core of the body.
Ex: biceps bringing arm up towards body

Question 9

What is extension?

Answer 9

When muscles straighten.

Question 10

What is supination?

Answer 10

SOUP

holding soup in palms . When muscles rotate in the forearm. The radius turn outward and palm upward.

Question 11

What is pronate?

Answer 11

Muscles turn inward. Palms facing down