Lecture 5 - Brachial Plexus PDF

30/10/2022 Jordan University of Science and Technology Faculty of Applied Medical Sciences Department of Rehabilitation science Musculoskeletal Anatomy Upper limb Innervation DR. MOHAMMAD AL-WARDAT, PT, PH.D First Semester 20...

30/10/2022 Jordan University of Science and Technology Faculty of Applied Medical Sciences Department of Rehabilitation science Musculoskeletal Anatomy Upper limb Innervation DR. MOHAMMAD AL-WARDAT, PT, PH.D First Semester 2022-2023 1 2 1  30/10/2022 3 Spinal Cord & Nerves 4 2  30/10/2022 SPINAL CORD & NERVES 5 Spinal Cord & Nerves Dermatome is an area of skin that is mainly supplied by a single spinal nerve Myotome is the muscles served by a single nerve root 6 3  30/10/2022 7 FORMATION OF THE BRACHIAL PLEXUS 8 4  30/10/2022 Brachial Plexus C5 –T1 Roots C4 C5 C6 C7 C8 T1 9 Roots Brachial Plexus C5 –T1 Spinal Accessory N C4 Trapizus M. C5 Dorsal Scapular N. 2 Rhomboidus M. Levator scapula M. C6 \ C7 C8 T1 Long Thoracic N. (Serratus Anterior M) C5-C7 10 5  30/10/2022 BEGIN WITH A LETTER “Y”, AN “I” AND A “Y”. Roots Trunks C5 Upper C5-C6 C6 C7 Middle C7 C8 Lower C8-T1 T1 11 Roots Trunks Divisions C5 Upper C5-C6 SupraScapular N C6 Supraspinatus M Infraspinatus M Nerve To Subclavius M C7 Middle C7 C8 Lower C8-T1 T1 12 6  30/10/2022 Branches Roots Trunks Divisions Cords C5 Upper Lateral C5-C6 C5-C7 SupraScapular N C6 Supraspinatus M Infraspinatus M Nerve To Subclavius M C7 Middle Posterior C7 C5-T1 C8 Lower Medial C8-T1 C8-T1 T1 13 Branches Musculocutaneous N. (BBC) Roots Trunks Divisions Cords Biceps M C5 Brachialis M Upper Lateral Coracobrachialis M C5-C6 C5-C7 SupraScapular N Lateral Pectoral N C6 Supraspinatus M Pictoralis Major M Infraspinatus M Nerve To Subclavius M Posterior C7 Middle C5-T1 C7 C8 Medial Lower C8-T1 C8-T1 T1 14 7  30/10/2022 Branches Musculocutaneous N. (BBC) Roots Trunks Divisions Cords Biceps M C5 Brachialis M Upper Lateral Coracobrachialis M C5-C6 C5-C7 SupraScapular N Lateral Pectoral N C6 Supraspinatus M Pictoralis Major M Infraspinatus M Nerve To Subclavius M Posterior C7 Middle C5-T1 C7 C8 Medial Lower C8-T1 C8-T1 Ulnar N. T1 Medial Pectoral N Flexor Carpi Ulnaris M. Pictoralis Major M. Flexor Digitorum profundus M. Pictoralis Minor M. All Hand Muscles Medial cutan. n. of arm Except Medial cutan. n. forearm Thenar M. + Lambrical 1-2 M. 15 Branches Musculocutaneous N. (BBC) Roots Trunks Divisions Cords Biceps M C5 Brachialis M Upper Lateral Coracobrachialis M C5-C6 C5-C7 SupraScapular N Lateral Pectoral N C6 Supraspinatus M Pictoralis Major M Infraspinatus M Nerve To Subclavius M Posterior C7 Middle C5-T1 Median N. Thenar M. C7 2 Pronator M. Flexor Digit Superfacialis Flexor carpi radialis M. Palmaris Longus M. Flexor Pollicis longus M. C8 Flexor digitorum profundus Medial Lower C8-T1 C8-T1 Ulnar N. T1 Medial Pectoral N Flexor Carpi Ulnaris M. Pictoralis Major M. Flexor Digitorum profundus M. Pictoralis Minor M. All Hand Muscles Medial cutan. n. of arm Except Medial cutan. n. forearm Thenar M. + Lambrical 1-2 M. 16 8  30/10/2022 Branches Musculocutaneous N. (BBC) Roots Trunks Divisions Cords Biceps M C5 Brachialis M Upper Lateral Coracobrachialis M C5-C6 C5-C7 SupraScapular N Lateral Pectoral N C6 Supraspinatus M Pictoralis Major M Infraspinatus M Nerve To Subclavius M Posterior Median N. C7 C5-T1 Thenar M. Middle Upper subscapular N. 2 Pronator M. C7 Flexor Digit Superfacialis Subscapularis M Flexor carpi radialis M. Lower subscapular N. Subscapularis M Palmaris Longus M. Teres Major M Flexor Pollicis longus M. Thoracodorsal N. Flexor digitorum profundus C8 Latissimus Dorsi M Lower Medial C8-T1 C8-T1 Ulnar N. T1 Medial Pectoral N Flexor Carpi Ulnaris M. Pictoralis Major M. Flexor Digitorum profundus M. Pictoralis Minor M. All Hand Muscles Medial cutan. n. of arm Except Medial cutan. n. forearm Thenar M. + Lambrical 1-2 M. 17 Branches Musculocutaneous N. (BBC) Roots Trunks Divisions Cords Biceps M C5 Brachialis M Upper Lateral Coracobrachialis M C5-C6 C5-C7 Radial N. SupraScapular N Lateral Pectoral N Triceps M. C6 Supraspinatus M Pictoralis Major M Anconeous M. Infraspinatus M Supinator M. Forearm Extensor M. Nerve To Brachioradialis M. Subclavius M Posterior Median N. C7 C5-T1 Thenar M. Middle Upper subscapular N. 2 Pronator M. C7 Flexor Digit Superfacialis Subscapularis M Flexor carpi radialis M. Lower subscapular N. Subscapularis M Palmaris Longus M. Teres Major M Flexor Pollicis longus M. Thoracodorsal N. Flexor digitorum profundus C8 Latissimus Dorsi M Axillary N. Deltoid M. Lower Medial Teres Minor M. C8-T1 C8-T1 Ulnar N. T1 Medial Pectoral N Flexor Carpi Ulnaris M. Pictoralis Major M. Flexor Digitorum profundus M. Pictoralis Minor M. All Hand Muscles Medial cutan. n. of arm Except Medial cutan. n. forearm Thenar M. + Lambrical 1-2 M. 18 9  30/10/2022 SUMMARY 19 20 10  30/10/2022 Blood supply 21 11