Table 3. The mean mechanical work with posture cost for the four fundamental movements over 1-minute period.

Activity (n = 19)	Upper body		Lower body		Centre of mass		Sum	Posture
	Pos	Neg	Pos	Neg	Pos	Neg
Standing Jump (kJ)	0.4376	0.4157	0.3735	0.3756	6.5123	6.5368	14.6515	0.2579
Arm Swing (kJ)	1.3573	1.3575	0.2137	0.2145	3.0402	3.0746	9.2578	0.0091
Squat (kJ)	0.0872	0.0871	0.2591	0.2608	0.9547	0.8636	2.5125	2.9437
Jumping Jack (kJ)	1.3414	1.3459	1.1117	1.1115	10.0798	10.1351	25.1253	0