اناٹومی مطالعاتی نوٹ · Upper limb
Trapezius
A large flat triangular muscle covering the back of the neck and upper thorax. It moves and steadies the scapula.
اہم نکات
- Occiput + ligamentum nuchae + C7–T12 spines → lateral clavicle, acromion, scapular spine.
- Accessory nerve (CN XI) motor; C3, 4 sensory.
- Upper: shrug. Middle: retract. Lower: depress. Upper + lower: upward rotation.
- Palsy → dropped shoulder.
- Striated muscle: myotomes + local mesenchyme.
- Nerve supply indicates origin.
- Large motor units (thousands of cells).
- Skeletal muscle: multinucleated, peripheral nuclei, striated.
اٹلس میں مکمل نوٹ میں یہ بھی شامل ہے
Origin · Insertion · Action · Nerve supply · Histology · Development · طبی اہمیت
مفت سائن اِن کریں تاکہ اسے 3D ماڈل پر دیکھیں، مکمل نوٹ پڑھیں اور اس پر سوالات کی مشق کریں۔
ماخذ
- Snell’s Clinical Anatomy by Regions, 10th ed., ch. 3, PDF pp. 302, 327
- Inderbir Singh’s Human Embryology, ch. 7, PDF pp. 92, 108–109
- BRS Cell Biology & Histology, 7th ed., ch. 8, PDF pp. 135–144, 143
upper limb سے مزید
- Triceps brachii
- Ulna
- Ulnar artery
- Ulnar nerve
- Veins of the hand
- Wrist joint
- Abductor pollicis longus
- Acromioclavicular joint
- Adductor pollicis
- Anconeus
- Axillary artery
- Axillary lymph nodes
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