Muscle Types Flashcards
Temporalis (O)
Temporal bone
Temporalis (I)
Coronoid process of the mandible
Temporalis (A)
Elevates mandible (closes jaw)
Masseter (O)
Right below the zygomatic arch
Masseter (I)
Angle of the mandible
Masseter (A)
Elevates mandible (closes jaw)
Orbicularis oris (O)
Around the mouth (maxilla and mandible)
Orbicularis oris (I)
Lips
Orbicularis oris (A)
Closes lips
Zygomaticus major (O)
Zygomatic bone
Zygomaticus major (I)
Corners of the mouth
Zygomaticus major (A)
Elevates corner of the mouth
Epicranius (O)
CT (fascia) on top of the skull
Epicranius frontalis (I)
Skin/muscle near eye
Epicranius occipitalis (I)
Skin at the back of the neck
Epicranius frontalis (A)
Raises eyebrows
Epicranius occipitalis (A)
Moves the scalp
Orbicularis oculi (O)
Nasal bone
Orbicularis oculi (I)
Tissue around the eyes (eyelids)
Orbicularis oculi (A)
Blinks/closes eyes
Sternocleidomastoid (O)
Sternum and clavicle
Sternocleidomastoid (I)
Temporal bone
Sternocleidomastoid (A)
Rotates head
Biceps brachii (O)
Coracoid process and above the glenoid cavity of the scapula
Biceps brachii (I)
Radius
Biceps brachii (A)
Flexes elbow/rotates hand laterally
Brachioradialis (O)
Distal end of the humerus
Brachioradialis (I)
Distal end of the radius
Brachioradialis (A)
Flexes elbow
Flexor carpi radialis (O)
Medial epicondyle of the humerus
Flexor carpi radialis (I)
Base of 2nd and 3rd metacarpals
Flexor carpi radialis (A)
Flexes wrist/abducts hand at wrist
Palmaris longus (O)
Medial epicondyle of the humerus
Palmaris longus (I)
Fascia of the palm
Palmaris longus (A)
Flexes wrist
Flexor carpi ulnaris (O)
Medial epicondyle of the humerus
Flexor carpi ulnaris (I)
Carpals and metacarpals
Flexor carpi ulnaris (A)
Flexes wrist/abducts hand at wrist
Infraspinatus (O)
Below the spine of the scapula
Infraspinatus (I)
Head of the humerus
Infraspinatus (A)
Rotates arm laterally
Supraspinatus (O)
Above the spine of the scapula
Supraspinatus (I)
Head of the humerus
Supraspinatus (A)
Abducts the arm at the shoulder
Triceps brachii (O)
Scapula and humerus
Triceps brachii (I)
Olecranon process of the ulna