*A&P 1 Unit 8 (Lab) [Skeletal System (Appendicular Skeleton)] Flashcards
Two bones of the shoulder girdle:
- Clavicle
- Scapula
Acromioclavicular Joint
The anterior coracoid process and the posterior acromion, forms a joint with the clavicle.
Anterior View
Superior Border
Anterior View
Lateral Border
Anterior View
Medial Border
Anterior View
Glenoid Cavity
Anterior View
Coracoid Process
Anterior View
Acromion Process
Posterior View
Spine of Scapula
4 Regions of the Upper Limb
- Arm
- Forearm
- Wrist
- Hand
Number of Bones in the Arm
1 (Humerus)
Number of Bones in the Forearm
2 (the lateral Radius & the medial Ulna)
The articulation of the humerus and and the scapula.
At the proximal end of the humerus is a rounded head that fits into the glenoid cavity.
Which Forearm Bone is Lateral?
Radius
Which Forearm Bone is Medial?
Ulna
Proximal Radioulnar Joint
Proximally it consists of a radial hea that articulates with the ulna.
Distal Radioulnar Joint
The two bones also articulate at their distal ends.
Number of Bones in the Wrist
8 Short bones called carpals.
Names of the Bones in the Palm and Digits.
Metacarpals (I-V) [I starts at the thumb] & Phalanges (14)
Which Digit has only two phalanges?
The Thumb
Which digits have 3 phalanges each?
The second through the fifth digits.
What shape are the bones of the upper limb?
Long Bones
Head of Humerus
Fits into the Glenoid Cavity.
Greater Tubercle of Humerus