BONES OF
UPPER LIMB
Contents:
Bones of Upper Limb
and Shoulder Girdle
Labelled Images of
Bones
Side Determination of
Bones
Bony Landmarks
MedNotes by Tehreem
, Bones of Upper Limb and Shoulder Girdle are as follows:
1.Clavicle
2.Scapula
3.Humerus
4.Radius Scapula and Clavicle are
5.Ulna not present in the limbs.
6.Carpals
They form Shoulder
7.Metacarpals
8.Phalanges
Girdle with Humerus.
1) CLAVICLE:
KEY POINTS:
The clavicle is located across the root of the neck, between
sternum and scapula.
It is roughly S-shaped, and also known as the Collar Bone.
It is subcutaneous and easily palpable along its entire
length.
TYPE OF BONE:
Clavicle is a modified long bone and the only horizontal
long bone in the body.
FUNCTION:
It connects the upper limb to the thorax and allows the limb
to move freely from the trunk.
Clavicle is the first bone to begin ossification.
Page 01 | Bones of Upper Limb | MedNotes by Tehreem
, SIDE DETERMINATION:
Anterior surface is smooth. All the landmarks are present
on the Posterior surface.
The Acromial (flat) end is always pointed downwards.
The Sternal (broad) end is always pointed upwards.
LANDMARKS:
Sternal End – The proximal (medial), broad, thick end of
clavicle that articulates with Sternum.
Acromial End – The distal (lateral) flattened end of the
clavicle that articulates with Scapula.
Conoid Tubercle – A small, rough, rounded elevation on
the posterior surface of the bone, near the Acromial end.
This serves as the attachment area for the conoid
ligament.
Trapezoid Line – A line extending from conoid tubercle
towards the Acromial end.
Subclavian Groove – A groove/sulcus present on the
posterior surface of the bone. It provides an insertion
point for Subclavius Muscle.
Impression for Coastal Ligaments – A rough impression
or attachment point for Coastal Ligaments.
Sternoclavicular Joint – A synovial joint formed by the
articulation of the sternal end of the clavicle with the
clavicular notch of the sternum.
Acromioclavicular Joint – A synovial joint formed by the
articulation of the acromial end of the clavicle with the
acromion process of the scapula.
Page 02 | Bones of Upper Limb | MedNotes by Tehreem
UPPER LIMB
Contents:
Bones of Upper Limb
and Shoulder Girdle
Labelled Images of
Bones
Side Determination of
Bones
Bony Landmarks
MedNotes by Tehreem
, Bones of Upper Limb and Shoulder Girdle are as follows:
1.Clavicle
2.Scapula
3.Humerus
4.Radius Scapula and Clavicle are
5.Ulna not present in the limbs.
6.Carpals
They form Shoulder
7.Metacarpals
8.Phalanges
Girdle with Humerus.
1) CLAVICLE:
KEY POINTS:
The clavicle is located across the root of the neck, between
sternum and scapula.
It is roughly S-shaped, and also known as the Collar Bone.
It is subcutaneous and easily palpable along its entire
length.
TYPE OF BONE:
Clavicle is a modified long bone and the only horizontal
long bone in the body.
FUNCTION:
It connects the upper limb to the thorax and allows the limb
to move freely from the trunk.
Clavicle is the first bone to begin ossification.
Page 01 | Bones of Upper Limb | MedNotes by Tehreem
, SIDE DETERMINATION:
Anterior surface is smooth. All the landmarks are present
on the Posterior surface.
The Acromial (flat) end is always pointed downwards.
The Sternal (broad) end is always pointed upwards.
LANDMARKS:
Sternal End – The proximal (medial), broad, thick end of
clavicle that articulates with Sternum.
Acromial End – The distal (lateral) flattened end of the
clavicle that articulates with Scapula.
Conoid Tubercle – A small, rough, rounded elevation on
the posterior surface of the bone, near the Acromial end.
This serves as the attachment area for the conoid
ligament.
Trapezoid Line – A line extending from conoid tubercle
towards the Acromial end.
Subclavian Groove – A groove/sulcus present on the
posterior surface of the bone. It provides an insertion
point for Subclavius Muscle.
Impression for Coastal Ligaments – A rough impression
or attachment point for Coastal Ligaments.
Sternoclavicular Joint – A synovial joint formed by the
articulation of the sternal end of the clavicle with the
clavicular notch of the sternum.
Acromioclavicular Joint – A synovial joint formed by the
articulation of the acromial end of the clavicle with the
acromion process of the scapula.
Page 02 | Bones of Upper Limb | MedNotes by Tehreem
