Chapter 25 the real one

What is the pen pointing at?(#98)

• Serratus Anterior

  • The zig-zag on the side of the body

• Protracts the scapula(shoulder)

  • Throwing a punch or pushing something forward

  • Shrug your shoulder

What is the synergist of the Serratus Anterior

• Pectoralis Minor

• They both abducts the shoulder

Origin vs. Insertion of Pectoralis Minor

• Origin

  • ribs 3-5

• Inseration

  • coracoid process of the scapula

What are they

• Flexor carpi ulnaris

• Flexor carpi radialis

• Brachioradialis

What is the pen pointing at?

• Pectoralis Minor*

  • The Water drippy thing

  • Under the pectorlais major

• Abducts the scapula(shoulder)

What is this structure called?

• Trapezius

  • The trapezoid looking shape on the back

• In the each individual numbers

What is #1

• Superior Fiber(Trapezius)

  • The Neck area

• Elevates the scapula

What is #2

• Middle Fiber (Trapezius)

  • The middle area where the shoulder blades are

• Retracts the scapula

What is #3

• Inferior Fiber (Trapezius)

  • Middle of the back

  • #95

• Depresses the scapula

What is #1?

• Pectoralis Major

  • On the pectoral

• Flexes and adducts the arm

  • When your doing a benchpress or a push up

What is #1?

• Latissimus Dorsi

  • The curtain looking thing on the lower back

• Extends and Adducts arms

  • Pulling a heavy door closed

  • Doing a pull up

What is this entire structure called

Deltoid

What is #1 of the deltoid, the origin and the insertion?

• Deltiod

• Origin

  • Clavicle

• Inseration

  • Deltoid tuberosity

• Function

  • Flex Arm

What is #2 of the deltoid, the origin and the insertion?

• Deltoid

• Origin

  • Acromion of scapula

• Inseration

  • Deltoid tuberosity

• Function

  • Abducts Arm

What is #3 of the deltoid, the origin and the insertion?

• Deltoid

• Origin

  • Spine of Scapula

• Inseration

  • Deltoid tuberosity

• Function

  • Extends Arm

What is this

• Supraspinatus

  • Upper part of the arm at the tip

• Abducts Arm

  • Reaching out to the side to grab something off a table.

  • Lifting a suitcase off the ground (when you move it slightly outward first

What is this?

• Infraspinous

  • Right below the spine of the scapula/ under #3

• Adducts and laterally rotates the arm

  • Reaching behind your back to grab something

  • Tucking in your shirt or zipping up a dress.

What is this pen pointing at?

• Teres Minor

  • Under Infraspinous

  • #8\

• Adducts and Laterallterally rotates arm

  • Reaching out to the side to grab something off a table.

  • Lifting a suitcase off the ground (when you move it slightly outward first

What is the synergist of the Teres Minor

• Infraspinous

• They both Adducts and laterally rotates the arm

What is the pen pointing at?

• Subscapularis Muscle

  • #5

  • The upper inside of the arm, the tip

• Medially rotate and adduct the humerus

  • Crossing your arms or reaching across your body to buckle a seatbelt on the opposite side

What is this?

• Biceps Brachii

• Flexes forearm

  • It bends your elbow and brings your hand closer to your shoulder.

What are the origins and insertions of the Biceps Brachii

• Origin

  • Glenoid cavity of scapula

  • Choroid process of scapula

• Inseration

  • Radially tuberosity

What are the synergist to the Biceps Brachii

• Brachialis and Brachioradialis

• They all Flexes foraarm

What is this

• Brachialis

• Flexes forarm

What is the antagonist of the Biceps Brachii

• Triceps Brachii

What is this?

• Brachioradialis

  • #19 (on the big model)

  • Medial

  • Below the elbow(inside)

• Flexes forearm

  • It bends your elbow and brings your hand closer to your shoulder.

NOTE:

• Radius

  • Abducts

• Ulnaris

  • Adducts

NOTE:

• Radius

  • Abducts

• Ulnaris

  • Adducts

What is the pen pointing at?

• Flexor Carpi Radialis

  • #23

  • Near the elbow

What is this?

• Pronator Teres

  • #22

  • The first small muscle on the eft side of the elbow

• Pronates the forearm

What is this

• Supinator

  • This is under the flap to the right of the pronator teres

• Supinates the forearm

What is this?(Not the black fill in)

• Triceps brachii

  • 16,17, and 18

  • The back of the arm

• Extends the forearm

Rotator Cuff

This group stabilizes the glenohumeral joint and is involved in a variety of humerus movements

Muscles

• Subscapularis

• Infraspinatus

• Teres Minor

• Supraspinatus

This is a good mnemonic because it sits on the shoulder

Name all of them

1. Infraspinatus

2. Deltoid

3. Trapezius

4. Teres Minor