shoulder complex anatomy
DESCRIPTION
This lecture is formulated for the College of Rehab Sciences BATCH 2015 PT Students of De La Salle Health Sciences Institute.TRANSCRIPT
IAP Musculoskeletal Series
Christian Orense, PTRP
The Shoulder Complex
Wednesday, January 18, 12
BONES FORMING THE SHOULDER GIRDLE
Wednesday, January 18, 12
Clavicle• S-shaped, strut bone
• Medial 1/3 convex anteriorly
• Round Sternal end
• Flat Acromial EndWednesday, January 18, 12
Scapula
• shoulder blade, located between T2-T7
• Acromion Process- highest point
• Receptacle for humerus
• Point of origin and insertion of several muscles
Wednesday, January 18, 12
Bony Landmarks
Wednesday, January 18, 12
Bony Landmarks of the Scapula (Posterior View)
12
3Wednesday, January 18, 12
Bony Landmarks of the Scapula (Anterior View)
3
2
1
Wednesday, January 18, 12
Lateral View of the
Scapula
Wednesday, January 18, 12
Humerus
• longest, largest bone of the UE
• Articulates proximally with the scapula, distally with the ulna and radius
Wednesday, January 18, 12
The 6 Joints of the Shoulder Complex
• Glenohumeral
• Acromioclavicular
• Sternoclavicular
• Suprahumeral
• Bicipital Groove
• Scapulothoracic
3 True Joints 3 Functional Joints
Wednesday, January 18, 12
Acromioclavicular Joint
• Bony Articulations
• Type of Joint
• Degrees of Freedom
• Motions
Wednesday, January 18, 12
Glenohumeral Joint
• Bony articulations
• Type of Joint
• Degrees of Freedom
• Motions
Wednesday, January 18, 12
Sternoclavicular Joint
• Bony articulations
• Type of Joint
• Degrees of Freedom
• Motions
Wednesday, January 18, 12
MUSCLES OF THE UE CONNECTING TO
• THE THORAX
• THE VERTEBRAL COLUMN
• SCAPULA TO HUMERUS
Wednesday, January 18, 12
MUSCLES: UE TO THE THORACIC WALL
• PECTORALIS MAJOR• PECTORALIS MINOR• SUBCLAVIUS• SERRATUS ANTERIOR
Wednesday, January 18, 12
UE TO THORACIC WALL
SUBCLAVIUS
PECTORALIS MINOR
PECTORALIS MAJOR
SERRATUS ANTERIOR
Wednesday, January 18, 12
MM: UE TO THE VERTEBRAL COLUMN
• TRAPEZIUS• LATISSIMUS DORSI• LEVATOR SCAPULAE• RHOMBOID MINOR &
MAJOR
Wednesday, January 18, 12
TO VERTEBRAL COLUMN
TRAPEZIUS
RHOMBOID MINOR
RHOMBOID MAJOR
LATISSIMUS DORSIWednesday, January 18, 12
SCAPULA TO HUMERUS
• DELTOID• SUPRASPINATUS• INFRASPINATUS• TERES MAJOR• TERES MINOR• SUBSCAPULARIS
Wednesday, January 18, 12
MUSCLES ATTACHED TO THE HUMERUS & SCAPULA
• BICEPS BRACHII• BRACHIALIS• TRICEPS BRACHII• CORACOBRACHIALIS
Wednesday, January 18, 12
DELTOID
PECTORALIS MAJOR
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SUPRASPINATUS
INFRASPINATUS
TERES MINOR TERES
MAJOR
Wednesday, January 18, 12
Wednesday, January 18, 12
Wednesday, January 18, 12
BRACHIAL PLEXUS
• NERVES THAT ARE ABOUT TO ENTER THE UPPER LIMB
• FORMED IN THE POSTERIOR TRIANGLE OF THE NECK• PROVIDING SENSORY AND
MOTOR INNERVATION
Wednesday, January 18, 12
BRACHIAL PLEXUS
• DIVIDED INTO:• ROOTS• TRUNKS• DIVISIONS• CORDS
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THE BRACHIAL PLEXUS
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LET’S HAVE A REVIEW
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Wednesday, January 18, 12
JOINTS
• ARTICULATING SURFACES
• TYPE
• MOTIONS
Wednesday, January 18, 12
MUSCLE GROUPS
• FLEXORS
• EXTENSORS
• ABD/ADDUCTORS
• IR/ER
Wednesday, January 18, 12