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Chapter 12 Appendicular muscles. Upper limb muscles to know and identify Shoulder: Deltoid (sometimes referred as axial muscle). Upper arm (brachium):

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Presentation on theme: "Chapter 12 Appendicular muscles. Upper limb muscles to know and identify Shoulder: Deltoid (sometimes referred as axial muscle). Upper arm (brachium):"— Presentation transcript:

1 Chapter 12 Appendicular muscles

2 Upper limb muscles to know and identify Shoulder: Deltoid (sometimes referred as axial muscle). Upper arm (brachium): Biceps brachii, Triceps brachii, Brachialis, Brachioradialis

3 Upper arm

4 Forearm muscles

5 Lower limb muscles to know and identify Upper leg: Sartorius, Tensor fasciae latae, Adductor longus, Adductor magnus, Gracilis, Rectus femoris, Vastus lateralis, Vastus medialis, Biceps femoris, Semitendinosus, Semimembranosis. Lower leg and calf: Tibialis anterior, Gastrocnemius, Soleus

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8 Quadriceps femoris group Rectus femoris Vastus medialis Vastus lateralis Vastus intermedius

9 Hamstring muscle group Biceps femoris Semimembranosis Semitendonosis

10 Muscles of lower leg

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12 Appendicular muscles to know origin and insertion Biceps brachii- Rectus femoris Triceps brachii- Biceps femoris Sartorius- Deltoid - Gastrocnemeus

13 Biceps brachii Origin: SH coracoid process; LH supraglenoid tubercle Insertion: Radial tuberosity Action: flex elbow and shoulder

14 Triceps brachii Origin: Lat H: Sup, lateral margin of humerus; LH: Infraglenoid tubercle; Med H: Post humerus Insertion: Olecranon of ulna Action: Extension at elbow

15 Deltoid Origin: Clavicle, scapula acromion and spine Insertion: Deltoid tuberosity of humerus Action: Abducts shoulder; flexion and rotation of humerus; extension and lateral rotation of humerus

16 Rectus femoris (Quads) Origin: Ant iliac spine and sup. margin acetabulum Insertion: Patella and tibial tuberosity Action: Extension of leg at knee; flex thigh at hip

17 Sartorius Origin: Ant, superior spine of ilium Insertion: Medial aspect tibial tuberosity Action: Flexes, abducts and laterally rotates thigh at hip; flexes knee

18 Biceps femoris (Hamstrings) Origin: LH: ischial tuberosity; SH: linea aspera of femur Insertion: Head of fibula Action: Flexes knee; extends hip; laterally rotates leg

19 Gastrocnemius Origin: Lateral condyle and popliteal surface of femur Insertion: Calcaneus via achilles tendon Action: Flexes knee and plantar flexion of foot

20 Structures to know and identify Tendons Galea aponeurosis Linea alba Iliotibial tract Calcaneal “achiles” tendon


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