Al-Balqa Applied University

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1 Al-Balqa Applied University Faculty Of Medicine *You can use this checklist as a guide to you for the lab. the items on this checklist represent the main features of the models that you have to know for achieving the objectives of this lab. use the checklist to identify and review the main features of the models in the lab. System: Musculoskeletal and Skin Anatomy Practical 3 Objectives: Identify the muscles of the upper limb. Identify the upper limb vessels and nerves. Identify the components of the axilla and cubital fossa.

2 Al-Balqa Applied University Pectoral and Scapular Region Faculty Of Medicine Anterior Axio-apendicular Muscles Pectoralis major Pectralis minor Subclavius Serratus anterior Posterior Axio-apendicular Muscles Superficial posterior Trapezius Lattismus Dorsi Deep Posterior Levator Scapulae Rhomboids Scapuluhumerul Muscles Deltiod Teres major Rotator Cuff Muscles : Supraspinatus Infraspinatus Teres Minor Subscapularis Axilla boundaries Muscles of the Arm Biceps brachii Brachialis Coracobrachialis Triceps Brachii Anconeus Cubital Fossa bundaries floors Muscles of the Forearm (17) Flexor Pronator Muscles Of Forearm Superficial Layer Pronator Teres Flexor Carpi Radialis Palmaris Longus Flexor Carpi Ulnaris Intermediate Layer Flexor digitorum superficialis

3 Deep Layer Flexor digitorum profundus Flexor pollicis longus Pronator quadratus Extensor Muscles Of Forearm Extensor carpi radialis longus Extensor carpiradialis brevis Extensor carpi ulnaris Extensor digitorum Extensor indicis Extensor digiti minimi Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Muscles of the hand Thenar Muscles Opponens pollicis Abductor pollicis brevis Flexor pollicis brevis Adductor pollicis Hypothenar muscles Abductor digiti minimi Flexor digiti minimi brevis Opponens digiti Short (deep) muscles Lumbricals (1st-4th) Dorsal interossei (1st 4th) Palmar interossei (1st 3rd) Deep Facsia Flexor retinaculum Extensor retinaculum Extensor expansion hood lateral band median band Fibrous digital sheath Palmar aponeurosis

4 Vessels of the Upper Limb Subclavian Artery 1st part Vertebral artery Thyrocervical trunk Inferior thyroid artery Superficial cervical artery Suprascapular artery Internal thoracic artery 2nd part Costocervical trunk Superior intercostal artery Deep cervical artery 3rd part Axillary Artery 1st part The superior thoracic artery 2nd part Thoracoacromial artery 3rd part Subscapular artery Circumflex Scapular Artery Anterior circumflex humeral artery Posterior circumflex humeral artery Brachial Artery Profunda (deep brachial) artery Superior ulnar collateral artery Inferior ulnar collateral artery Radial Artery Branches in the forearm Muscular branches Recurrent branch Superficial palmar branch Superficial palmar arch Branches in the Palm Arteria radialis indicis Arterial princeps pollicis Lateral thoracic artery

5 Ulnar Artery Muscular branches Recurrent branches Common interosseous artery Interosseous artery (Anterior & Posterior) Nutrient artery The Deep Palmar Branch The Deep Palmar Arch Palmar Superficial Veins of the Upper Limb Dorsal venous network (arch) Basilic vein Cephalic vein Median cubital vein Median vein of forearm Nerves Of The Upper Limb Brachial Plexus Metacarpal Perforating The Superficial Palmar Arch Roots Dorsal scapular nerve. Long thoracic nerve. Four digital artery Veins of the Upper Limb Deep veins Venae comitants Axillary vein Superficial veins Upper trunk Suprascapular nerve Nerve to subclavius Lateral cord Lateral pectoral nerve Musculocutaneous nerve Lateral root of median nerve Posterior cord

6 Upper subscapular nerve Thoracodorsal nerve Lower supscapular nerve Axillary n. & radial nerve Medial cord Medial pectoral nerve Medial cutaneous nerve of arm Medial cotaneous nerve of forearm Ulnar nerve Medial root of median nerve Musculocutaneous Nerve Muscular nerve Lateral cutaneous nerve of the forearm Median Nerve Branches in the forearm Muscular branches Articular branches (elbow) Anterior interosseous nerve o Articular branches (wrist & carpal) Palmar cutaneous branch Branches in palm Muscular branches Cutaneous branches Ulnar Nerve Branches In the forearm Muscular branches Articular branches (elbow) Cutaneous branches o Posterior cutaneous branch o Palmar cutaneous branch Branches In the hand Superficial terminal branch o Cutaneous branches Deep terminal branch o Articular branches (carpal)

7 Lower lateral cutaneous nerve of arm Posterior cutaneous nerve of forearm Arm Radial Nerve Axilla Muscular branches Cutaneous branch Axillary Nerve Superficial branch of radial nerve Deep branch of radial nerve o Articular branches (wrist & carpals) Posterior cutaneous nervous Articular branch (shoulder) Spiral groove Muscular branches Cutaneous branches Anterior terminal branch Posterior terminal branch Upper lateral cutaneous nerve of the arm. Resources Plastinated: 1. Full Arm Plastic: 1. Full Arm 2. Upper Trunk Model 3. Hand with ligaments