NIU--BIOS 311 -- EXAM 1

• O: Vertebrae
• I: Acromion and spine of scapula
• INN: Accessory Nerve

Thoraco Dorsal Nerve

Dorsal Scapular Nerve

1. Splenius Capitus

2. Splenius Cervicis

Semi-spinalis Capitis

Semi-spinalis Cervicis

I. Like. Spaghetti

1. Illiocostalis

2. Longissimus

3. Spinalis

3 Parts:

Manubrium 

• Sternal Angle (2nd Rib)
• Body
• Xiphoid Process

Suprascapular Nerve

O: Infraspinous Fossa

I: Greater Tuburcle (Humerus)

INN: Suprascapular Nerve

• O: Scapula
• I: Greater Tuburcle (of humerus)
• INN: Axillary Nerve

• O: Scapula
• I:Humerus
• INN: Lower Subscapular Nerve

O: Subscapular fossa

I: Lesser Tuburcle (Humerus)

INN: Upper and Lower subscapular Nerves

O: Acromion process and spine of scapula

I:  Deltoid Tuberosity

Inn: Axillary Nerve

Triceps Brachii Lateral Head

Triceps Brachii Medial Head

Triceps Brachii Longhead

INN of all 3 is Radial Nerve

• Pectoralis Major
•    Inn: Medial Pectoral Nerve and Lateral Pectoral Nerve

• Pectoralis Minor
•   Inn: Medial Pectoral Nerve

Inn: Long thoracic Nerve

• 1. Coracobrachialis
•     O: Coracoid Process
•      I: Humerus
• 2. Biceps Brachii shorthead
•     O: Coracoid Process
•     I:   Radial Tuberosity
• 3. Biceps Brachii longhead
•      O:Supraglenoid Tubercle
•       I: Radial Tuberosity
• 4. Brachialis
•      O: Humerhs
•       I: Coronoid Process of Ulna

INN OF ALL: Musculocutaneous Nerve

• 1. Musculocutaneous n.
• 2. Lateral Pectoral n.

• 1. Ulnar n.
• 2. Medial Pectoral n.

• 1. Uppersubscapular Nerve
• 2. Thoracodorsal (long)
• 3. Lowersubscapular Nerve
• 4. Axillary nerve
• 5. Radial Nerve (Big)

**Not part but you will see Long thoracis nerve on rib cage going to serratus anterior

Layer 1: Medial to lateral (on cadaver)

•  1. Pronator Teres (short, not to wrist)
• 2. Flexor Carpi Radialis
• 3. Palmaris Longus
• 4. Flexor Carpi Ulnaris

1. Flexor Digitorum Superficialis (tied with string)

1. Flexor Digitorum Profundus

2. Flexor Pollicis Longus

1. Pronator quadratus (wristband)

All are Median Nerve EXCEPT:

• Flexor carpi ulnaris (ulnar nerve)
• Flexor digitorum profundus
•  (  - Half by ulnar nerve      )
•  (  -  Half by Median nerve )

• Subcalvian Artery - Under clavicle
• Axillary Artery - Armpit
• Brachial Artery- Upper arm
• Radial  -----   Ulnar

• Brachioradialis
• Extensor Carpi Radialis Longus
• Extensor Carpi Radialis Brevis
• Abductor pollicis longus (outside thumb)
• Extensor pollicis brevis
• Extensor pollicis Longus (innermost on thumb)
• Extensor digitorum (4 tendons, middle of arm)
• Extensor digiti minimi (look slike its part of ^ goes to pinky)
• Extensor carpi ulanris (outer to pinky)

• 1. Supinator (by elbow)
• 2. Extensor Indicis (Tendon going to index finger)

• O: Biceps brachii
•      Coracobrachialis

I: Pectoralis Minor

I: subscapularis

S.I.T muscles

• S- supraspinatus
• I- infraspinatus
• T- Teres Minor

and Pec Major

I: Lattissimus Dorsi

I: Deltoid

Olecranon