Movement Analysis Lab Checkpoint #2

Elbow flexion: origin, insertion, innervation

Primary mover?

Primary mover: Brachioradialis

Origin: Lateral supracondylar ridge of the humerus

Insertion: Distal radius, radial styloid process

Innervation: Radial nerve

Elbow extension: origin, insertion, innervation

Primary mover?

Triceps

Origin:

- Long head: infraglenoid tubercle of

scapula

- Lateral head: posterior humerus

- Medial head: posterior humerus

Insertion: Olecranon process

Innervation: Radial nerve

Wrist flexion: origin, insertion, innervation

Primary mover?

FCR

Flexor Carpi Radialis (FCR)

Origin: Medial epicondyle of humerus

Insertion: Base of 2nd and 3rd MC

Innervation: Median Nerve C6, C7

Wrist extension: origin, insertion, innervation

Primary mover?

ECRB

Extensor Carpi Radialis Brevis (ECRB)

Origin: Lateral epicondyle of humerus

Insertion: Base of 3rd MC

Innervation: Radial Nerve (C6, C7)

Upper trapezius: origin, insertion, innervation

Origin: Occipital Protuberance

Insertion: Lateral 1/3rd of clavicle and acromion

Innervation: Spinal Accessory Nerve/Cranial Nerve XI