Effect of Isometric Upper-Extremity Exercises on the Core Muscles
UPPER MUSCLES
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Transcript of UPPER MUSCLES
UPPER MUSCLES
Muscles of the face and mastication
1. Masseter
• Action - Elevates mandible
2. Temporalis
• Action - Elevates mandible
Muscles of the anterior triangle of the neck1. Digastric
Action -Elevates hyoid bone 2. Mylohyoid
Action -Elevates hyoid bone 3. Sternohyoid
Action - Depresses hyoid bone and hence larynx 4. Sternothyroid
Action - Depresses larynx 5. Thyrohyoid
Action - Elevates larynx or depresses hyoid bone 6. Sternocleidomastoid
Action - Flexes and laterally rotates cervical spine.
Muscles of the anterior triangle of the neck
Muscles that act on the scapula
1. Clavo-trapezius Action - Elevates and rotates scapula
2. Acromio-trapezius Action - Adducts scapula
3. Spinotrapezius Action - Depress scapula
4. Pectoralis Minor Action - Depress scapula
5. Levator scapulae Action - Elevate scapula
6. Serratus Anterior Action - Anterior rotation of scapula
7. Rhomboideus Action - Adducts scapula
Muscles that act on the scapula
Muscles that act on the arm1. Pectoralis Major
Action - Flex and adducts humerus2. Clavo-deltoid
Action - Flex humerus3. Acromio-deltoid
Action - Abduct humerus4. Spino-deltoid
Action - Extend humerus5. Infraspinatus
Action - Lateral rotation humerus 6. Supraspinatus
Action - Abduct humerus7. Subscapularis
Action - Medial rotation humerus8. Latissimus dorsi
Action - Adduct humerus9. Teres Major
Action - Adduct humerus
Muscles that act on the arm
Muscles that act on the forearm (radius and ulna)
1. Triceps Brachii Action - Extend forearm
2. Biceps Brachii Action - Flex forearm
3. Brachialis Action - Flex forearm
4. Brachioradialis Action - Flex forearm
5. Pronator Teres Action - Pronation
6. Supinator Action - Supination
Muscles that act on the forearm (radius and ulna)
Muscles that act on the wrists, hands and fingers
1. Extensor Carpi radialis longus Action - Extend wrist
2. Extensor Carpi radialis brevis Action - Extend wrist
3. Extensor Carpi ulnaris Action - Extend wrist
4. Extensor Digitorum Action - Extend fingers
5. Extensor Digiti Minimi Action - Extends 5th digit
6. Flexor Carpi Radialis Action - Flex wrist
7. Flexor Carpi Ulnaris Action - Flex wrist
8. Palmaris LongusAction - Flex wrist
9. Flexor Digitorum ProfundusAction - Flex fingertips
10. Flexor Digitorum SuperficialisAction - Flex middle phalanges
11. Abductor Pollicis BrevisAction - Abduct thumb
Muscles that act on the wrists, hands and fingers