1. Muscles of the upper limbs
Daniela Quintana
Period 5
Dec 13, 2016
Muscles of the upper limbs

2. Muscles of the upper limbs
Biceps Brachii
Brachialis
Brachioradialis
Tricpes brachii

3. Biceps brachii Biceps Brachii means “two-headed muscle of the arm”
Origin (proximal attachment)
Long head: supraglenoid tubercle of the scapula
Short head: coracoid process of the scapula
Insertion (distal attachment)
Radial tuberosity
Bicipetal aponeurosis to the fascia on the medial side of the forearm
Actions
Flex the arms (weakly) at the shoulder

4. biCEPS BRACHII

5. Brachialis
Brachialis derives from the Latin term brachium which means arm
Origin (proximal attachment)
Anterior, distal half of the humerus
Insertion (distal attachment)
Coronoid process and tuberosity of ulna
Actions
Flex the forearm at the elbow

6. bRACHIALIS

7. BRACHIORADIALIS
Brachioradialis derives from the Greek word brachion, arm
Origin (proximal attachment)
Lateral supracondylar ridge of the humerus
Insertion (distal attachment)
Styloid process of the radius
Actions
Flex the forearm at the elbow

8. bRACHIORDIALIS

9. Triceps brachii
Triceps Brachii means “three-headed muscle of the arm” because it consist of the long, medial and lateral heads.
Origin (proximal attachment)
Infraglenoid tubercle of the scapula
Insertion (distal attachment)
Posterior olecranon process of the ulna
Action
Extends the forearm at the elbow

10. TRICEPS BRACHII

11. QUIZ TIME! muscles OF THE UPPER LIMBS

12. QUESTION 1
The muscles of the upper limbs include which of the following?
Ulna, Radius, and Humerus
Pectineus, Adductor longus, and Gracilis
Femur, Fibia, Tibula
Biceps Brachii, Brachialis, Brachioradialis

13. Question 2 What action does the triceps brachii perform?
Extends the forearm at the elbow
Flexes the forearm at the elbow
Flexes the arm at the shoulder
Extends the thumb

14. Question 3 What is the insertion of the brachialis?
Styloid process of the radius
Radial tuberosity
Coronoid process and tuberosity of the ulna
Intertubercular groove of humerus

15. Bibliography
@anatomyzone. "Home • AnatomyZone." AnatomyZone. Peter De Souza, Web. 12 Dec <
Sheffield, Scott. "Human Anatomy and Physiology | Human Anatomy - GetBodySmart." Human Anatomy and Physiology | Human Anatomy - GetBodySmart. Scott Sheffield, Web. 12 Dec <