Muscles of the Arm (Division, Origin, Insertion, Function)

Опубликовано: 14 Июнь 2026
на канале: Taim Talks Med

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Content
0:00 Introduction
0:24 Division of the Arm Muscles
0:45 Brachialis
1:00 Coracobrachialis
1:21 Biceps Brachii
2:02 Anconeus
2:16 Triceps Brachii

Muscles of the arm
Anterior (Flexor) Group [3]
Posterior (Extensor) Group [2]

Anterior (Flexor) Group [3]
Brachialis
Musculus brachialis
O: Anterior diaphysis of the humerus
I: Tuberosity of Ulnae
Tuberositas ulnae
F: Flexion

Coracobrachialis
musculus coracobrachialis
O: Coracoid process
processus coracoideus scapulae
I: Anterior diaphysis of the humerus
F: Flexion, adduction and Internal Rotation

Biceps Brachii
musculus biceps brachii
Long Head
O: Supraglenoid Tubercule
tuberculum supraglenoidale scapulae
Short Head
O: Coracoid process
processus coracoideus scapulae
I: Radial Tuberosity
tuberositas radii
Function:
Flexion+Supination of forearm
Flextion+Abduction of arm

Posterior (Extensor) Group [2]
Anconeus
musculus anconeus
O: Lateral Epicondyle of the Humerus
epicondylus lateralis humeri
I: Proximal Epiphysis of the Ulna
F: Extention of lower arm

Triceps Bachii
Musculus ticeps brachii
Medial Head
○ O: Daphysis of humerus
Lateral Head
○ O: Diaphysis of humerus
Long Head
○ O: Infraglenoid Tubercle
I: Olecranon of Ulna
F:
Extension of forearm
Extension + Adduction of arm