3.3 Shoulder and Arm
Deltoid muscle (Figs 3.42, 3.45–3.51)
This muscle covers the anterior, posterior and lateral aspect of
the head of the humerus. The following points are located either
on the muscle or on its margins: S.I.-9, S.I.-10, T.B.-14,
L.I.-15, jianquan(Ex-UE), LU-1, LU-2, LU-3, L.I.-14.
Acromion
Coracoid process
Scapula,
superior angle
Supraspinous
fossa
Scapular
spine
Medial
border
Inferior angle
Lateral border
Glenoid
cavity
Fig. 3.44
End of the
axillary fold
Border of
the deltoid
Deltoid
S.I.-9
S.I.-10
Fig. 3.45
Fig. 3.46
Abduct
arm
Scapular spine
Anterior extremity
of the acromion
Clavicle
Acromio-
clavicular
joint
T.B.-14
L.I.-15
Deltoid,
posterior fibres
Deltoid,
lateral fibres
Deltoid,
anterior fibres
Fig. 3.47
L.I.-15
T.B.-14
Anterior fibres
Posterior fibres
Lateral fibres