ای ضمیمه عضالت

فوقانی اندام و ای شانه کمربند

می کتف حرکت باعث که عضالتیشوند

• Anterior: primarily protraction and depression

• Pectoralis minor• Serratus anterior

• Posterior: primarily retraction and elevation

• Trapezius• Rhomboid major and

minor• Levator scapula

Trapezius

• Origin:– Occipital bone of

skull, cervical and thoracic vertebrae

• Insertion:– Clavicle and Scapula

• Actions:– Elevation– retraction

Trapezius

Upward Rotation

Downward Rotation

Rhomboid major and minor• Origin:

– Cervical and Thoracic vertebrae

• Insertion:– Scapula

• Actions:– Retraction– Elevation

Rhomboid major and minor

Retraction/Adduction

Levator scapula• Origin:

– Cervical vertebrae• Insertion:

– Scapula• Action:

– Elevation of the scapula

Levator scapula

Elevation

Pectoralis Minor• Origin:

– Ribs• Insertion:

– Coracoid process of scapula

• Action:– Depression of scapula

Pectoralis minor

Depression

Serratus Anterior

• Origin:– Ribs

• Insertion:– Medial border of

scapula• Actions:

– Protraction and rotation of scapula

Serratus Anterior

Protraction/Abduction

می بازو حرکت باعث که عضالتیشوند

• Deltoid• Coracobrachialis• Latissimus Dorsi• Teres Major• Teres Minor• Subscapularis• Supraspinatus• Infraspinatus

Deltoid• Origin:

– Clavicle, scapula• Insertion:

– Deltoid tuberosity of humerus

• Actions:– Abduction– Anterior deltoid:

internal rotation– Posterior deltoid:

external rotation

Deltoid

Coracobrachialis• Origin:

– Coracoid process of scapula

• Insertion:– Humerus (medial)

• Actions:– Flexion, adduction

Coracobrachialis

Latissimus Dorsi

• Origin:– Vertebrae, sacrum,

ilium• Insertion:

– intertubercular groove of humerus

• Actions:– Extension (prime

mover), adduction, internal rotation

Latissimus Dorsi

Teres Major

• Origin:– Lateral border of the

scapula• Insertion:

– Humerus (anterior)• Actions:

synergist with Latissimus dorsi

Teres Major

Teres Minor

• Origin:– Lateral border of

scapula• Insertion:

– Greater tubercle of humerus

• Actions:– External rotation,

extension,

Teres Minor

Subscapularis

• Origin:– Subscapular fossa of

scapula• Insertion:

– Lesser tubercle of humerus

• Actions:– Internal rotation

Supraspinatus

• Origin:– Supraspinous fossa of

the scapula• Insertion:

– Greater tubercle of the humerus

• Action:– Abduction (synergist

with deltoid)

Supraspinatus

Infraspinatus

• Origin:– Infraspinous fossa of

scapula• Insertion:

– Greater tubercle of humerus

• Action:– External rotation

Infraspinatus

Rotator Cuff Muscles

supraspinatus

subscapularisinfraspinatus teres minor

می ساعد حرکت باعث که عضالتیشوند

Upper Arm

Muscles

brachioradialis

brachialis triceps brachii

biceps brachii

Lateral

Medial

Pronatorteres

coracobrachialis

می دست حرکت باعث که عضالتیشوند

دست • انگشتان و مچ کننده باز عضالتدست • انگشتان و مچ کننده خم عضالت

دست Palmarعضالت

49

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