Week 3 Flashcards
(35 cards)
What are the 2 classifications of muscles?
Appendicular and Axial
Where is the origin of a muscle?
Proximal/Superior/More Medial
Where is the insertion of a muscle?
Distal/Inferior/More Lateral
Where are fibres embedded within bone?
The Periosteum
What is a flat broad tendon called?
Aponeurosis
What are the 3 components of the Biceps?
Brachialis
Coracobrachialis
Bicep Brachi
What are the 2 parts of the Bicep Brachii?
Long Head and Short Head
Where are the long head and short head of the bicep brachii in relation to each other?
The long head is more lateral to the short head
What are the 3 parts of the triceps brachii?
Medial Head
Long Head
Lateral Head
What is the purpose of the Biceps?
The allow for Flexion of the elbow and shoulder joint
What 2 joints do the biceps cross?
Elbow Joint and Shoulder Joint
What is the purpose of the triceps?
Extension of the elbow join and shoulder joint
What 2 joint do the triceps cross?
Elbow Joint and Shoulder Joint
How many tendons are there at the proximal end of the bicep brachii?
2 tendons each joining into the Scapula
How many tendons are there at the distal end of the bicep brachii?
1 tendon joining into the radius and ulna
How many tendons are at the proximal end of the tricep brachii?
3 tendons joining into the Scapula
How many tendons are at the distal end of the tricep brachii?
1 tendon joining into the Ulna
What are the 5 classifications of bone?
Long bone
Short bone
Flat bone
Irregular bone
Sesamoid bone
What is a long bone?
A bone that is longer in length than it is wide
What is a short bone?
Bones that are cuboidal; they are found only in the ankle and wrist
What are flat bones?
The re bones that are flat and provide protection; e.g those in the skull
What are irregular bones?
Bones other than long, short or flat
What are sesamoid bones?
They are in tendons and reduce friction across joints; they change the angle of tendons as they pass to their attachments
What are the flexor muscles in the upper extremities?
The Anterior Forearm Muscles and Anterior Arm Muscles